21270147376

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{1187}}^1\times {\mathrm{30269}}^1$

素因数の和:31501

約数の個数: 40

約数和(自身を含む): 42361775280

約数和(自身を除く): 21091627904

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 1187, 2374, 4748, 9496, 18992, 30269, 43919, 60538, 87838, 121076, 175676, 242152, 351352, 484304, 702704, 1119953, 2239906, 4479812, 8959624, 17919248, 35929303, 71858606, 143717212, 287434424, 574868848, 1329384211, 2658768422, 5317536844, 10635073688, 21270147376]

約数ペア:

[(1, 21270147376), (2, 10635073688), (4, 5317536844), (8, 2658768422), (16, 1329384211), (37, 574868848), (74, 287434424), (148, 143717212), (296, 71858606), (592, 35929303), (1187, 17919248), (2374, 8959624), (4748, 4479812), (9496, 2239906), (18992, 1119953), (30269, 702704), (43919, 484304), (60538, 351352), (87838, 242152), (121076, 175676)]