21706100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 51767520

約数和(自身を除く): 30061420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 260, 283, 295, 325, 566, 590, 650, 767, 1132, 1180, 1300, 1415, 1475, 1534, 2830, 2950, 3068, 3679, 3835, 5660, 5900, 7075, 7358, 7670, 14150, 14716, 15340, 16697, 18395, 19175, 28300, 33394, 36790, 38350, 66788, 73580, 76700, 83485, 91975, 166970, 183950, 217061, 333940, 367900, 417425, 434122, 834850, 868244, 1085305, 1669700, 2170610, 4341220, 5426525, 10853050, 21706100]

約数ペア:

[(1, 21706100), (2, 10853050), (4, 5426525), (5, 4341220), (10, 2170610), (13, 1669700), (20, 1085305), (25, 868244), (26, 834850), (50, 434122), (52, 417425), (59, 367900), (65, 333940), (100, 217061), (118, 183950), (130, 166970), (236, 91975), (260, 83485), (283, 76700), (295, 73580), (325, 66788), (566, 38350), (590, 36790), (650, 33394), (767, 28300), (1132, 19175), (1180, 18395), (1300, 16697), (1415, 15340), (1475, 14716), (1534, 14150), (2830, 7670), (2950, 7358), (3068, 7075), (3679, 5900), (3835, 5660)]