21380715856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:773

約数の個数: 160

約数和(自身を含む): 46880570880

約数和(自身を除く): 25499855024

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 47, 58, 68, 94, 101, 116, 136, 188, 202, 232, 272, 376, 404, 464, 493, 571, 752, 799, 808, 986, 1142, 1363, 1598, 1616, 1717, 1972, 2284, 2726, 2929, 3196, 3434, 3944, 4568, 4747, 5452, 5858, 6392, 6868, 7888, 9136, 9494, 9707, 10904, 11716, 12784, 13736, 16559, 18988, 19414, 21808, 23171, 23432, 26837, 27472, 33118, 37976, 38828, 46342, 46864, 49793, 53674, 57671, 66236, 75952, 77656, 80699, 92684, 99586, 107348, 115342, 132472, 137663, 155312, 161398, 185368, 199172, 214696, 230684, 264944, 275326, 281503, 322796, 370736, 398344, 429392, 456229, 461368, 550652, 563006, 645592, 778273, 796688, 912458, 922736, 980407, 1101304, 1126012, 1291184, 1556546, 1672459, 1824916, 1960814, 2202608, 2252024, 2340271, 2710537, 3113092, 3344918, 3649832, 3921628, 4504048, 4680542, 5421074, 6226184, 6689836, 7299664, 7843256, 9361084, 10842148, 12452368, 13230641, 13379672, 15686512, 18722168, 21684296, 26461282, 26759344, 28431803, 37444336, 43368592, 46079129, 52922564, 56863606, 78605573, 92158258, 105845128, 113727212, 157211146, 184316516, 211690256, 227454424, 314422292, 368633032, 454908848, 628844584, 737266064, 1257689168, 1336294741, 2672589482, 5345178964, 10690357928, 21380715856]

約数ペア:

[(1, 21380715856), (2, 10690357928), (4, 5345178964), (8, 2672589482), (16, 1336294741), (17, 1257689168), (29, 737266064), (34, 628844584), (47, 454908848), (58, 368633032), (68, 314422292), (94, 227454424), (101, 211690256), (116, 184316516), (136, 157211146), (188, 113727212), (202, 105845128), (232, 92158258), (272, 78605573), (376, 56863606), (404, 52922564), (464, 46079129), (493, 43368592), (571, 37444336), (752, 28431803), (799, 26759344), (808, 26461282), (986, 21684296), (1142, 18722168), (1363, 15686512), (1598, 13379672), (1616, 13230641), (1717, 12452368), (1972, 10842148), (2284, 9361084), (2726, 7843256), (2929, 7299664), (3196, 6689836), (3434, 6226184), (3944, 5421074), (4568, 4680542), (4747, 4504048), (5452, 3921628), (5858, 3649832), (6392, 3344918), (6868, 3113092), (7888, 2710537), (9136, 2340271), (9494, 2252024), (9707, 2202608), (10904, 1960814), (11716, 1824916), (12784, 1672459), (13736, 1556546), (16559, 1291184), (18988, 1126012), (19414, 1101304), (21808, 980407), (23171, 922736), (23432, 912458), (26837, 796688), (27472, 778273), (33118, 645592), (37976, 563006), (38828, 550652), (46342, 461368), (46864, 456229), (49793, 429392), (53674, 398344), (57671, 370736), (66236, 322796), (75952, 281503), (77656, 275326), (80699, 264944), (92684, 230684), (99586, 214696), (107348, 199172), (115342, 185368), (132472, 161398), (137663, 155312)]