21684900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 65804816

約数和(自身を除く): 44119916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 43, 50, 60, 75, 82, 86, 100, 123, 129, 150, 164, 172, 205, 215, 246, 258, 300, 410, 430, 492, 516, 615, 645, 820, 860, 1025, 1075, 1230, 1290, 1681, 1763, 2050, 2150, 2460, 2580, 3075, 3225, 3362, 3526, 4100, 4300, 5043, 5289, 6150, 6450, 6724, 7052, 8405, 8815, 10086, 10578, 12300, 12900, 16810, 17630, 20172, 21156, 25215, 26445, 33620, 35260, 42025, 44075, 50430, 52890, 72283, 84050, 88150, 100860, 105780, 126075, 132225, 144566, 168100, 176300, 216849, 252150, 264450, 289132, 361415, 433698, 504300, 528900, 722830, 867396, 1084245, 1445660, 1807075, 2168490, 3614150, 4336980, 5421225, 7228300, 10842450, 21684900]

約数ペア:

[(1, 21684900), (2, 10842450), (3, 7228300), (4, 5421225), (5, 4336980), (6, 3614150), (10, 2168490), (12, 1807075), (15, 1445660), (20, 1084245), (25, 867396), (30, 722830), (41, 528900), (43, 504300), (50, 433698), (60, 361415), (75, 289132), (82, 264450), (86, 252150), (100, 216849), (123, 176300), (129, 168100), (150, 144566), (164, 132225), (172, 126075), (205, 105780), (215, 100860), (246, 88150), (258, 84050), (300, 72283), (410, 52890), (430, 50430), (492, 44075), (516, 42025), (615, 35260), (645, 33620), (820, 26445), (860, 25215), (1025, 21156), (1075, 20172), (1230, 17630), (1290, 16810), (1681, 12900), (1763, 12300), (2050, 10578), (2150, 10086), (2460, 8815), (2580, 8405), (3075, 7052), (3225, 6724), (3362, 6450), (3526, 6150), (4100, 5289), (4300, 5043)]