21438150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 53621568

約数和(自身を除く): 32183418

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1091, 1310, 1965, 2182, 3273, 3275, 3930, 5455, 6546, 6550, 9825, 10910, 16365, 19650, 27275, 32730, 54550, 81825, 142921, 163650, 285842, 428763, 714605, 857526, 1429210, 2143815, 3573025, 4287630, 7146050, 10719075, 21438150]

約数ペア:

[(1, 21438150), (2, 10719075), (3, 7146050), (5, 4287630), (6, 3573025), (10, 2143815), (15, 1429210), (25, 857526), (30, 714605), (50, 428763), (75, 285842), (131, 163650), (150, 142921), (262, 81825), (393, 54550), (655, 32730), (786, 27275), (1091, 19650), (1310, 16365), (1965, 10910), (2182, 9825), (3273, 6550), (3275, 6546), (3930, 5455)]