21842600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 56663040

約数和(自身を除く): 34820440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 271, 310, 325, 403, 520, 542, 620, 650, 775, 806, 1084, 1240, 1300, 1355, 1550, 1612, 2015, 2168, 2600, 2710, 3100, 3224, 3523, 4030, 5420, 6200, 6775, 7046, 8060, 8401, 10075, 10840, 13550, 14092, 16120, 16802, 17615, 20150, 27100, 28184, 33604, 35230, 40300, 42005, 54200, 67208, 70460, 80600, 84010, 88075, 109213, 140920, 168020, 176150, 210025, 218426, 336040, 352300, 420050, 436852, 546065, 704600, 840100, 873704, 1092130, 1680200, 2184260, 2730325, 4368520, 5460650, 10921300, 21842600]

約数ペア:

[(1, 21842600), (2, 10921300), (4, 5460650), (5, 4368520), (8, 2730325), (10, 2184260), (13, 1680200), (20, 1092130), (25, 873704), (26, 840100), (31, 704600), (40, 546065), (50, 436852), (52, 420050), (62, 352300), (65, 336040), (100, 218426), (104, 210025), (124, 176150), (130, 168020), (155, 140920), (200, 109213), (248, 88075), (260, 84010), (271, 80600), (310, 70460), (325, 67208), (403, 54200), (520, 42005), (542, 40300), (620, 35230), (650, 33604), (775, 28184), (806, 27100), (1084, 20150), (1240, 17615), (1300, 16802), (1355, 16120), (1550, 14092), (1612, 13550), (2015, 10840), (2168, 10075), (2600, 8401), (2710, 8060), (3100, 7046), (3224, 6775), (3523, 6200), (4030, 5420)]