21714570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 59963904

約数和(自身を除く): 38249334

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 43, 45, 62, 86, 90, 93, 129, 155, 181, 186, 215, 258, 279, 310, 362, 387, 430, 465, 543, 558, 645, 774, 905, 930, 1086, 1290, 1333, 1395, 1629, 1810, 1935, 2666, 2715, 2790, 3258, 3870, 3999, 5430, 5611, 6665, 7783, 7998, 8145, 11222, 11997, 13330, 15566, 16290, 16833, 19995, 23349, 23994, 28055, 33666, 38915, 39990, 46698, 50499, 56110, 59985, 70047, 77830, 84165, 100998, 116745, 119970, 140094, 168330, 233490, 241273, 252495, 350235, 482546, 504990, 700470, 723819, 1206365, 1447638, 2171457, 2412730, 3619095, 4342914, 7238190, 10857285, 21714570]

約数ペア:

[(1, 21714570), (2, 10857285), (3, 7238190), (5, 4342914), (6, 3619095), (9, 2412730), (10, 2171457), (15, 1447638), (18, 1206365), (30, 723819), (31, 700470), (43, 504990), (45, 482546), (62, 350235), (86, 252495), (90, 241273), (93, 233490), (129, 168330), (155, 140094), (181, 119970), (186, 116745), (215, 100998), (258, 84165), (279, 77830), (310, 70047), (362, 59985), (387, 56110), (430, 50499), (465, 46698), (543, 39990), (558, 38915), (645, 33666), (774, 28055), (905, 23994), (930, 23349), (1086, 19995), (1290, 16833), (1333, 16290), (1395, 15566), (1629, 13330), (1810, 11997), (1935, 11222), (2666, 8145), (2715, 7998), (2790, 7783), (3258, 6665), (3870, 5611), (3999, 5430)]