21609132

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30548820

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 167, 246, 263, 334, 492, 501, 526, 668, 789, 1002, 1052, 1578, 2004, 3156, 6847, 10783, 13694, 20541, 21566, 27388, 32349, 41082, 43132, 43921, 64698, 82164, 87842, 129396, 131763, 175684, 263526, 527052, 1800761, 3601522, 5402283, 7203044, 10804566, 21609132]

約数ペア:

[(1, 21609132), (2, 10804566), (3, 7203044), (4, 5402283), (6, 3601522), (12, 1800761), (41, 527052), (82, 263526), (123, 175684), (164, 131763), (167, 129396), (246, 87842), (263, 82164), (334, 64698), (492, 43921), (501, 43132), (526, 41082), (668, 32349), (789, 27388), (1002, 21566), (1052, 20541), (1578, 13694), (2004, 10783), (3156, 6847)]