21658500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4813}}^1$

素因数の和:4838

約数の個数: 72

約数和(自身を含む): 68339544

約数和(自身を除く): 46681044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4813, 9626, 14439, 19252, 24065, 28878, 43317, 48130, 57756, 72195, 86634, 96260, 120325, 144390, 173268, 216585, 240650, 288780, 360975, 433170, 481300, 601625, 721950, 866340, 1082925, 1203250, 1443900, 1804875, 2165850, 2406500, 3609750, 4331700, 5414625, 7219500, 10829250, 21658500]

約数ペア:

[(1, 21658500), (2, 10829250), (3, 7219500), (4, 5414625), (5, 4331700), (6, 3609750), (9, 2406500), (10, 2165850), (12, 1804875), (15, 1443900), (18, 1203250), (20, 1082925), (25, 866340), (30, 721950), (36, 601625), (45, 481300), (50, 433170), (60, 360975), (75, 288780), (90, 240650), (100, 216585), (125, 173268), (150, 144390), (180, 120325), (225, 96260), (250, 86634), (300, 72195), (375, 57756), (450, 48130), (500, 43317), (750, 28878), (900, 24065), (1125, 19252), (1500, 14439), (2250, 9626), (4500, 4813)]