21774684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 54750080

約数和(自身を除く): 32975396

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2221, 2451, 3268, 4442, 4902, 6663, 8884, 9804, 13326, 26652, 42199, 84398, 95503, 126597, 168796, 191006, 253194, 286509, 382012, 506388, 573018, 1146036, 1814557, 3629114, 5443671, 7258228, 10887342, 21774684]

約数ペア:

[(1, 21774684), (2, 10887342), (3, 7258228), (4, 5443671), (6, 3629114), (12, 1814557), (19, 1146036), (38, 573018), (43, 506388), (57, 382012), (76, 286509), (86, 253194), (114, 191006), (129, 168796), (172, 126597), (228, 95503), (258, 84398), (516, 42199), (817, 26652), (1634, 13326), (2221, 9804), (2451, 8884), (3268, 6663), (4442, 4902)]