21225660764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{34613}}^1$

素因数の和:34827

約数の個数: 72

約数和(自身を含む): 46920523104

約数和(自身を除く): 25694862340

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 181, 242, 308, 362, 484, 724, 847, 1267, 1694, 1991, 2534, 3388, 3982, 5068, 7964, 13937, 21901, 27874, 34613, 43802, 55748, 69226, 87604, 138452, 153307, 242291, 306614, 380743, 484582, 613228, 761486, 969164, 1522972, 2665201, 4188173, 5330402, 6264953, 8376346, 10660804, 12529906, 16752692, 25059812, 29317211, 43854671, 58634422, 68914483, 87709342, 117268844, 137828966, 175418684, 275657932, 482401381, 758059313, 964802762, 1516118626, 1929605524, 3032237252, 5306415191, 10612830382, 21225660764]

約数ペア:

[(1, 21225660764), (2, 10612830382), (4, 5306415191), (7, 3032237252), (11, 1929605524), (14, 1516118626), (22, 964802762), (28, 758059313), (44, 482401381), (77, 275657932), (121, 175418684), (154, 137828966), (181, 117268844), (242, 87709342), (308, 68914483), (362, 58634422), (484, 43854671), (724, 29317211), (847, 25059812), (1267, 16752692), (1694, 12529906), (1991, 10660804), (2534, 8376346), (3388, 6264953), (3982, 5330402), (5068, 4188173), (7964, 2665201), (13937, 1522972), (21901, 969164), (27874, 761486), (34613, 613228), (43802, 484582), (55748, 380743), (69226, 306614), (87604, 242291), (138452, 153307)]