21659100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 67828992

約数和(自身を除く): 46169892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 43, 46, 50, 60, 69, 73, 75, 86, 92, 100, 115, 129, 138, 146, 150, 172, 215, 219, 230, 258, 276, 292, 300, 345, 365, 430, 438, 460, 516, 575, 645, 690, 730, 860, 876, 989, 1075, 1095, 1150, 1290, 1380, 1460, 1679, 1725, 1825, 1978, 2150, 2190, 2300, 2580, 2967, 3139, 3225, 3358, 3450, 3650, 3956, 4300, 4380, 4945, 5037, 5475, 5934, 6278, 6450, 6716, 6900, 7300, 8395, 9417, 9890, 10074, 10950, 11868, 12556, 12900, 14835, 15695, 16790, 18834, 19780, 20148, 21900, 24725, 25185, 29670, 31390, 33580, 37668, 41975, 47085, 49450, 50370, 59340, 62780, 72197, 74175, 78475, 83950, 94170, 98900, 100740, 125925, 144394, 148350, 156950, 167900, 188340, 216591, 235425, 251850, 288788, 296700, 313900, 360985, 433182, 470850, 503700, 721970, 866364, 941700, 1082955, 1443940, 1804925, 2165910, 3609850, 4331820, 5414775, 7219700, 10829550, 21659100]

約数ペア:

[(1, 21659100), (2, 10829550), (3, 7219700), (4, 5414775), (5, 4331820), (6, 3609850), (10, 2165910), (12, 1804925), (15, 1443940), (20, 1082955), (23, 941700), (25, 866364), (30, 721970), (43, 503700), (46, 470850), (50, 433182), (60, 360985), (69, 313900), (73, 296700), (75, 288788), (86, 251850), (92, 235425), (100, 216591), (115, 188340), (129, 167900), (138, 156950), (146, 148350), (150, 144394), (172, 125925), (215, 100740), (219, 98900), (230, 94170), (258, 83950), (276, 78475), (292, 74175), (300, 72197), (345, 62780), (365, 59340), (430, 50370), (438, 49450), (460, 47085), (516, 41975), (575, 37668), (645, 33580), (690, 31390), (730, 29670), (860, 25185), (876, 24725), (989, 21900), (1075, 20148), (1095, 19780), (1150, 18834), (1290, 16790), (1380, 15695), (1460, 14835), (1679, 12900), (1725, 12556), (1825, 11868), (1978, 10950), (2150, 10074), (2190, 9890), (2300, 9417), (2580, 8395), (2967, 7300), (3139, 6900), (3225, 6716), (3358, 6450), (3450, 6278), (3650, 5934), (3956, 5475), (4300, 5037), (4380, 4945)]