21106950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 52663296

約数和(自身を除く): 31556346

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 223, 446, 631, 669, 1115, 1262, 1338, 1893, 2230, 3155, 3345, 3786, 5575, 6310, 6690, 9465, 11150, 15775, 16725, 18930, 31550, 33450, 47325, 94650, 140713, 281426, 422139, 703565, 844278, 1407130, 2110695, 3517825, 4221390, 7035650, 10553475, 21106950]

約数ペア:

[(1, 21106950), (2, 10553475), (3, 7035650), (5, 4221390), (6, 3517825), (10, 2110695), (15, 1407130), (25, 844278), (30, 703565), (50, 422139), (75, 281426), (150, 140713), (223, 94650), (446, 47325), (631, 33450), (669, 31550), (1115, 18930), (1262, 16725), (1338, 15775), (1893, 11150), (2230, 9465), (3155, 6690), (3345, 6310), (3786, 5575)]