21415260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1481}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 60252192

約数和(自身を除く): 38836932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1481, 2410, 2892, 2962, 3615, 4443, 4820, 5924, 7230, 7405, 8886, 14460, 14810, 17772, 22215, 29620, 44430, 88860, 356921, 713842, 1070763, 1427684, 1784605, 2141526, 3569210, 4283052, 5353815, 7138420, 10707630, 21415260]

約数ペア:

[(1, 21415260), (2, 10707630), (3, 7138420), (4, 5353815), (5, 4283052), (6, 3569210), (10, 2141526), (12, 1784605), (15, 1427684), (20, 1070763), (30, 713842), (60, 356921), (241, 88860), (482, 44430), (723, 29620), (964, 22215), (1205, 17772), (1446, 14810), (1481, 14460), (2410, 8886), (2892, 7405), (2962, 7230), (3615, 5924), (4443, 4820)]