21914360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 58605120

約数和(自身を除く): 36690760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 37, 40, 52, 65, 67, 68, 74, 85, 104, 130, 134, 136, 148, 170, 185, 221, 260, 268, 296, 335, 340, 370, 442, 481, 520, 536, 629, 670, 680, 740, 871, 884, 962, 1105, 1139, 1258, 1340, 1480, 1742, 1768, 1924, 2210, 2278, 2405, 2479, 2516, 2680, 3145, 3484, 3848, 4355, 4420, 4556, 4810, 4958, 5032, 5695, 6290, 6968, 8177, 8710, 8840, 9112, 9620, 9916, 11390, 12395, 12580, 14807, 16354, 17420, 19240, 19832, 22780, 24790, 25160, 29614, 32227, 32708, 34840, 40885, 42143, 45560, 49580, 59228, 64454, 65416, 74035, 81770, 84286, 99160, 118456, 128908, 148070, 161135, 163540, 168572, 210715, 257816, 296140, 322270, 327080, 337144, 421430, 547859, 592280, 644540, 842860, 1095718, 1289080, 1685720, 2191436, 2739295, 4382872, 5478590, 10957180, 21914360]

約数ペア:

[(1, 21914360), (2, 10957180), (4, 5478590), (5, 4382872), (8, 2739295), (10, 2191436), (13, 1685720), (17, 1289080), (20, 1095718), (26, 842860), (34, 644540), (37, 592280), (40, 547859), (52, 421430), (65, 337144), (67, 327080), (68, 322270), (74, 296140), (85, 257816), (104, 210715), (130, 168572), (134, 163540), (136, 161135), (148, 148070), (170, 128908), (185, 118456), (221, 99160), (260, 84286), (268, 81770), (296, 74035), (335, 65416), (340, 64454), (370, 59228), (442, 49580), (481, 45560), (520, 42143), (536, 40885), (629, 34840), (670, 32708), (680, 32227), (740, 29614), (871, 25160), (884, 24790), (962, 22780), (1105, 19832), (1139, 19240), (1258, 17420), (1340, 16354), (1480, 14807), (1742, 12580), (1768, 12395), (1924, 11390), (2210, 9916), (2278, 9620), (2405, 9112), (2479, 8840), (2516, 8710), (2680, 8177), (3145, 6968), (3484, 6290), (3848, 5695), (4355, 5032), (4420, 4958), (4556, 4810)]