21012108195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3715669}}^1$

素因数の和:3715719

約数の個数: 32

約数和(自身を含む): 37453953600

約数和(自身を除く): 16441845405

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 5655, 3715669, 11147007, 18578345, 48303697, 55735035, 107754401, 144911091, 241518485, 323263203, 538772005, 724555455, 1400807213, 1616316015, 4202421639, 7004036065, 21012108195]

約数ペア:

[(1, 21012108195), (3, 7004036065), (5, 4202421639), (13, 1616316015), (15, 1400807213), (29, 724555455), (39, 538772005), (65, 323263203), (87, 241518485), (145, 144911091), (195, 107754401), (377, 55735035), (435, 48303697), (1131, 18578345), (1885, 11147007), (5655, 3715669)]