21275424

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2430

約数の個数: 72

約数和(自身を含む): 62479872

約数和(自身を除く): 41204448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2383, 2976, 4464, 4766, 7149, 8928, 9532, 14298, 19064, 21447, 28596, 38128, 42894, 57192, 73873, 76256, 85788, 114384, 147746, 171576, 221619, 228768, 295492, 343152, 443238, 590984, 664857, 686304, 886476, 1181968, 1329714, 1772952, 2363936, 2659428, 3545904, 5318856, 7091808, 10637712, 21275424]

約数ペア:

[(1, 21275424), (2, 10637712), (3, 7091808), (4, 5318856), (6, 3545904), (8, 2659428), (9, 2363936), (12, 1772952), (16, 1329714), (18, 1181968), (24, 886476), (31, 686304), (32, 664857), (36, 590984), (48, 443238), (62, 343152), (72, 295492), (93, 228768), (96, 221619), (124, 171576), (144, 147746), (186, 114384), (248, 85788), (279, 76256), (288, 73873), (372, 57192), (496, 42894), (558, 38128), (744, 28596), (992, 21447), (1116, 19064), (1488, 14298), (2232, 9532), (2383, 8928), (2976, 7149), (4464, 4766)]