21975004044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{438203}}^1$

素因数の和:438419

約数の個数: 72

約数和(自身を含む): 63802502400

約数和(自身を除く): 41827498356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1393, 1791, 2388, 2786, 3582, 4179, 5572, 7164, 8358, 12537, 16716, 25074, 50148, 438203, 876406, 1314609, 1752812, 2629218, 3067421, 3943827, 5258436, 6134842, 7887654, 9202263, 12269684, 15775308, 18404526, 27606789, 36809052, 55213578, 87202397, 110427156, 174404794, 261607191, 348809588, 523214382, 610416779, 784821573, 1046428764, 1220833558, 1569643146, 1831250337, 2441667116, 3139286292, 3662500674, 5493751011, 7325001348, 10987502022, 21975004044]

約数ペア:

[(1, 21975004044), (2, 10987502022), (3, 7325001348), (4, 5493751011), (6, 3662500674), (7, 3139286292), (9, 2441667116), (12, 1831250337), (14, 1569643146), (18, 1220833558), (21, 1046428764), (28, 784821573), (36, 610416779), (42, 523214382), (63, 348809588), (84, 261607191), (126, 174404794), (199, 110427156), (252, 87202397), (398, 55213578), (597, 36809052), (796, 27606789), (1194, 18404526), (1393, 15775308), (1791, 12269684), (2388, 9202263), (2786, 7887654), (3582, 6134842), (4179, 5258436), (5572, 3943827), (7164, 3067421), (8358, 2629218), (12537, 1752812), (16716, 1314609), (25074, 876406), (50148, 438203)]