21226500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 68992560

約数和(自身を除く): 47766060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 89, 90, 100, 106, 125, 150, 159, 178, 180, 212, 225, 250, 265, 267, 300, 318, 356, 375, 445, 450, 477, 500, 530, 534, 636, 750, 795, 801, 890, 900, 954, 1060, 1068, 1125, 1325, 1335, 1500, 1590, 1602, 1780, 1908, 2225, 2250, 2385, 2650, 2670, 3180, 3204, 3975, 4005, 4450, 4500, 4717, 4770, 5300, 5340, 6625, 6675, 7950, 8010, 8900, 9434, 9540, 11125, 11925, 13250, 13350, 14151, 15900, 16020, 18868, 19875, 20025, 22250, 23585, 23850, 26500, 26700, 28302, 33375, 39750, 40050, 42453, 44500, 47170, 47700, 56604, 59625, 66750, 70755, 79500, 80100, 84906, 94340, 100125, 117925, 119250, 133500, 141510, 169812, 200250, 212265, 235850, 238500, 283020, 353775, 400500, 424530, 471700, 589625, 707550, 849060, 1061325, 1179250, 1415100, 1768875, 2122650, 2358500, 3537750, 4245300, 5306625, 7075500, 10613250, 21226500]

約数ペア:

[(1, 21226500), (2, 10613250), (3, 7075500), (4, 5306625), (5, 4245300), (6, 3537750), (9, 2358500), (10, 2122650), (12, 1768875), (15, 1415100), (18, 1179250), (20, 1061325), (25, 849060), (30, 707550), (36, 589625), (45, 471700), (50, 424530), (53, 400500), (60, 353775), (75, 283020), (89, 238500), (90, 235850), (100, 212265), (106, 200250), (125, 169812), (150, 141510), (159, 133500), (178, 119250), (180, 117925), (212, 100125), (225, 94340), (250, 84906), (265, 80100), (267, 79500), (300, 70755), (318, 66750), (356, 59625), (375, 56604), (445, 47700), (450, 47170), (477, 44500), (500, 42453), (530, 40050), (534, 39750), (636, 33375), (750, 28302), (795, 26700), (801, 26500), (890, 23850), (900, 23585), (954, 22250), (1060, 20025), (1068, 19875), (1125, 18868), (1325, 16020), (1335, 15900), (1500, 14151), (1590, 13350), (1602, 13250), (1780, 11925), (1908, 11125), (2225, 9540), (2250, 9434), (2385, 8900), (2650, 8010), (2670, 7950), (3180, 6675), (3204, 6625), (3975, 5340), (4005, 5300), (4450, 4770), (4500, 4717)]