21450702992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{4253}}^1$

素因数の和:4680

約数の個数: 80

約数和(自身を含む): 44816060160

約数和(自身を除く): 23365357168

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 353, 376, 706, 752, 893, 1412, 1786, 2824, 3572, 4253, 5648, 6707, 7144, 8506, 13414, 14288, 16591, 17012, 26828, 33182, 34024, 53656, 66364, 68048, 80807, 107312, 132728, 161614, 199891, 265456, 315229, 323228, 399782, 630458, 646456, 799564, 1260916, 1292912, 1501309, 1599128, 2521832, 3002618, 3198256, 3797929, 5043664, 6005236, 7595858, 12010472, 15191716, 24020944, 28524871, 30383432, 57049742, 60766864, 70561523, 114099484, 141123046, 228198968, 282246092, 456397936, 564492184, 1128984368, 1340668937, 2681337874, 5362675748, 10725351496, 21450702992]

約数ペア:

[(1, 21450702992), (2, 10725351496), (4, 5362675748), (8, 2681337874), (16, 1340668937), (19, 1128984368), (38, 564492184), (47, 456397936), (76, 282246092), (94, 228198968), (152, 141123046), (188, 114099484), (304, 70561523), (353, 60766864), (376, 57049742), (706, 30383432), (752, 28524871), (893, 24020944), (1412, 15191716), (1786, 12010472), (2824, 7595858), (3572, 6005236), (4253, 5043664), (5648, 3797929), (6707, 3198256), (7144, 3002618), (8506, 2521832), (13414, 1599128), (14288, 1501309), (16591, 1292912), (17012, 1260916), (26828, 799564), (33182, 646456), (34024, 630458), (53656, 399782), (66364, 323228), (68048, 315229), (80807, 265456), (107312, 199891), (132728, 161614)]