21632416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 46305000

約数和(自身を除く): 24672584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 149, 208, 298, 349, 416, 596, 698, 1192, 1396, 1937, 2384, 2792, 3874, 4537, 4768, 5584, 7748, 9074, 11168, 15496, 18148, 30992, 36296, 52001, 61984, 72592, 104002, 145184, 208004, 416008, 676013, 832016, 1352026, 1664032, 2704052, 5408104, 10816208, 21632416]

約数ペア:

[(1, 21632416), (2, 10816208), (4, 5408104), (8, 2704052), (13, 1664032), (16, 1352026), (26, 832016), (32, 676013), (52, 416008), (104, 208004), (149, 145184), (208, 104002), (298, 72592), (349, 61984), (416, 52001), (596, 36296), (698, 30992), (1192, 18148), (1396, 15496), (1937, 11168), (2384, 9074), (2792, 7748), (3874, 5584), (4537, 4768)]