21048652830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2647}}^1\times {\mathrm{3631}}^1$

素因数の和:6361

約数の個数: 64

約数和(自身を含む): 51242231808

約数和(自身を除く): 30193578978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 2647, 3631, 5294, 7262, 7941, 10893, 13235, 15882, 18155, 21786, 26470, 36310, 39705, 54465, 79410, 108930, 193231, 265063, 386462, 530126, 579693, 795189, 966155, 1159386, 1325315, 1590378, 1932310, 2650630, 2898465, 3975945, 5796930, 7951890, 9611257, 19222514, 28833771, 48056285, 57667542, 96112570, 144168855, 288337710, 701621761, 1403243522, 2104865283, 3508108805, 4209730566, 7016217610, 10524326415, 21048652830]

約数ペア:

[(1, 21048652830), (2, 10524326415), (3, 7016217610), (5, 4209730566), (6, 3508108805), (10, 2104865283), (15, 1403243522), (30, 701621761), (73, 288337710), (146, 144168855), (219, 96112570), (365, 57667542), (438, 48056285), (730, 28833771), (1095, 19222514), (2190, 9611257), (2647, 7951890), (3631, 5796930), (5294, 3975945), (7262, 2898465), (7941, 2650630), (10893, 1932310), (13235, 1590378), (15882, 1325315), (18155, 1159386), (21786, 966155), (26470, 795189), (36310, 579693), (39705, 530126), (54465, 386462), (79410, 265063), (108930, 193231)]