21683370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 33756630

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 109, 114, 190, 218, 285, 327, 349, 545, 570, 654, 698, 1047, 1090, 1635, 1745, 2071, 2094, 3270, 3490, 4142, 5235, 6213, 6631, 10355, 10470, 12426, 13262, 19893, 20710, 31065, 33155, 38041, 39786, 62130, 66310, 76082, 99465, 114123, 190205, 198930, 228246, 380410, 570615, 722779, 1141230, 1445558, 2168337, 3613895, 4336674, 7227790, 10841685, 21683370]

約数ペア:

[(1, 21683370), (2, 10841685), (3, 7227790), (5, 4336674), (6, 3613895), (10, 2168337), (15, 1445558), (19, 1141230), (30, 722779), (38, 570615), (57, 380410), (95, 228246), (109, 198930), (114, 190205), (190, 114123), (218, 99465), (285, 76082), (327, 66310), (349, 62130), (545, 39786), (570, 38041), (654, 33155), (698, 31065), (1047, 20710), (1090, 19893), (1635, 13262), (1745, 12426), (2071, 10470), (2094, 10355), (3270, 6631), (3490, 6213), (4142, 5235)]