21567184

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 44093160

約数和(自身を除く): 22525976

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 848, 877, 1537, 1754, 3074, 3508, 6148, 7016, 12296, 14032, 24592, 25433, 46481, 50866, 92962, 101732, 185924, 203464, 371848, 406928, 743696, 1347949, 2695898, 5391796, 10783592, 21567184]

約数ペア:

[(1, 21567184), (2, 10783592), (4, 5391796), (8, 2695898), (16, 1347949), (29, 743696), (53, 406928), (58, 371848), (106, 203464), (116, 185924), (212, 101732), (232, 92962), (424, 50866), (464, 46481), (848, 25433), (877, 24592), (1537, 14032), (1754, 12296), (3074, 7016), (3508, 6148)]