21628804548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{30559}}^1$

素因数の和:30941

約数の個数: 72

約数和(自身を含む): 54806304000

約数和(自身を除く): 33177499452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 349, 507, 676, 698, 1014, 1047, 1396, 2028, 2094, 4188, 4537, 9074, 13611, 18148, 27222, 30559, 54444, 58981, 61118, 91677, 117962, 122236, 176943, 183354, 235924, 353886, 366708, 397267, 707772, 794534, 1191801, 1589068, 2383602, 4767204, 5164471, 10328942, 10665091, 15493413, 20657884, 21330182, 30986826, 31995273, 42660364, 61973652, 63990546, 127981092, 138646183, 277292366, 415938549, 554584732, 831877098, 1663754196, 1802400379, 3604800758, 5407201137, 7209601516, 10814402274, 21628804548]

約数ペア:

[(1, 21628804548), (2, 10814402274), (3, 7209601516), (4, 5407201137), (6, 3604800758), (12, 1802400379), (13, 1663754196), (26, 831877098), (39, 554584732), (52, 415938549), (78, 277292366), (156, 138646183), (169, 127981092), (338, 63990546), (349, 61973652), (507, 42660364), (676, 31995273), (698, 30986826), (1014, 21330182), (1047, 20657884), (1396, 15493413), (2028, 10665091), (2094, 10328942), (4188, 5164471), (4537, 4767204), (9074, 2383602), (13611, 1589068), (18148, 1191801), (27222, 794534), (30559, 707772), (54444, 397267), (58981, 366708), (61118, 353886), (91677, 235924), (117962, 183354), (122236, 176943)]