21406476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19630

約数の個数: 48

約数和(自身を含む): 61478144

約数和(自身を除く): 40071668

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19603, 39206, 58809, 78412, 117618, 137221, 235236, 254839, 274442, 411663, 509678, 548884, 764517, 823326, 1019356, 1529034, 1646652, 1783873, 3058068, 3567746, 5351619, 7135492, 10703238, 21406476]

約数ペア:

[(1, 21406476), (2, 10703238), (3, 7135492), (4, 5351619), (6, 3567746), (7, 3058068), (12, 1783873), (13, 1646652), (14, 1529034), (21, 1019356), (26, 823326), (28, 764517), (39, 548884), (42, 509678), (52, 411663), (78, 274442), (84, 254839), (91, 235236), (156, 137221), (182, 117618), (273, 78412), (364, 58809), (546, 39206), (1092, 19603)]