21248412

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30909540

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 167, 276, 334, 461, 501, 668, 922, 1002, 1383, 1844, 2004, 2766, 3841, 5532, 7682, 10603, 11523, 15364, 21206, 23046, 31809, 42412, 46092, 63618, 76987, 127236, 153974, 230961, 307948, 461922, 923844, 1770701, 3541402, 5312103, 7082804, 10624206, 21248412]

約数ペア:

[(1, 21248412), (2, 10624206), (3, 7082804), (4, 5312103), (6, 3541402), (12, 1770701), (23, 923844), (46, 461922), (69, 307948), (92, 230961), (138, 153974), (167, 127236), (276, 76987), (334, 63618), (461, 46092), (501, 42412), (668, 31809), (922, 23046), (1002, 21206), (1383, 15364), (1844, 11523), (2004, 10603), (2766, 7682), (3841, 5532)]