21546054

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 50472960

約数和(自身を除く): 28926906

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 93, 122, 183, 186, 211, 279, 366, 422, 549, 558, 633, 837, 1098, 1266, 1647, 1674, 1891, 1899, 3294, 3782, 3798, 5673, 5697, 6541, 11346, 11394, 12871, 13082, 17019, 19623, 25742, 34038, 38613, 39246, 51057, 58869, 77226, 102114, 115839, 117738, 176607, 231678, 347517, 353214, 399001, 695034, 798002, 1197003, 2394006, 3591009, 7182018, 10773027, 21546054]

約数ペア:

[(1, 21546054), (2, 10773027), (3, 7182018), (6, 3591009), (9, 2394006), (18, 1197003), (27, 798002), (31, 695034), (54, 399001), (61, 353214), (62, 347517), (93, 231678), (122, 176607), (183, 117738), (186, 115839), (211, 102114), (279, 77226), (366, 58869), (422, 51057), (549, 39246), (558, 38613), (633, 34038), (837, 25742), (1098, 19623), (1266, 17019), (1647, 13082), (1674, 12871), (1891, 11394), (1899, 11346), (3294, 6541), (3782, 5697), (3798, 5673)]