21436788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 31624332

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 167, 228, 334, 501, 563, 668, 1002, 1126, 1689, 2004, 2252, 3173, 3378, 6346, 6756, 9519, 10697, 12692, 19038, 21394, 32091, 38076, 42788, 64182, 94021, 128364, 188042, 282063, 376084, 564126, 1128252, 1786399, 3572798, 5359197, 7145596, 10718394, 21436788]

約数ペア:

[(1, 21436788), (2, 10718394), (3, 7145596), (4, 5359197), (6, 3572798), (12, 1786399), (19, 1128252), (38, 564126), (57, 376084), (76, 282063), (114, 188042), (167, 128364), (228, 94021), (334, 64182), (501, 42788), (563, 38076), (668, 32091), (1002, 21394), (1126, 19038), (1689, 12692), (2004, 10697), (2252, 9519), (3173, 6756), (3378, 6346)]