21609900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1880

約数の個数: 108

約数和(自身を含む): 72984912

約数和(自身を除く): 51375012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1847, 1950, 2340, 2925, 3694, 3900, 5541, 5850, 7388, 9235, 11082, 11700, 16623, 18470, 22164, 24011, 27705, 33246, 36940, 46175, 48022, 55410, 66492, 72033, 83115, 92350, 96044, 110820, 120055, 138525, 144066, 166230, 184700, 216099, 240110, 277050, 288132, 332460, 360165, 415575, 432198, 480220, 554100, 600275, 720330, 831150, 864396, 1080495, 1200550, 1440660, 1662300, 1800825, 2160990, 2401100, 3601650, 4321980, 5402475, 7203300, 10804950, 21609900]

約数ペア:

[(1, 21609900), (2, 10804950), (3, 7203300), (4, 5402475), (5, 4321980), (6, 3601650), (9, 2401100), (10, 2160990), (12, 1800825), (13, 1662300), (15, 1440660), (18, 1200550), (20, 1080495), (25, 864396), (26, 831150), (30, 720330), (36, 600275), (39, 554100), (45, 480220), (50, 432198), (52, 415575), (60, 360165), (65, 332460), (75, 288132), (78, 277050), (90, 240110), (100, 216099), (117, 184700), (130, 166230), (150, 144066), (156, 138525), (180, 120055), (195, 110820), (225, 96044), (234, 92350), (260, 83115), (300, 72033), (325, 66492), (390, 55410), (450, 48022), (468, 46175), (585, 36940), (650, 33246), (780, 27705), (900, 24011), (975, 22164), (1170, 18470), (1300, 16623), (1847, 11700), (1950, 11082), (2340, 9235), (2925, 7388), (3694, 5850), (3900, 5541)]