21253944

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 56881440

約数和(自身を除く): 35627496

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 113, 136, 204, 226, 339, 408, 452, 461, 678, 904, 922, 1356, 1383, 1844, 1921, 2712, 2766, 3688, 3842, 5532, 5763, 7684, 7837, 11064, 11526, 15368, 15674, 23052, 23511, 31348, 46104, 47022, 52093, 62696, 94044, 104186, 156279, 188088, 208372, 312558, 416744, 625116, 885581, 1250232, 1771162, 2656743, 3542324, 5313486, 7084648, 10626972, 21253944]

約数ペア:

[(1, 21253944), (2, 10626972), (3, 7084648), (4, 5313486), (6, 3542324), (8, 2656743), (12, 1771162), (17, 1250232), (24, 885581), (34, 625116), (51, 416744), (68, 312558), (102, 208372), (113, 188088), (136, 156279), (204, 104186), (226, 94044), (339, 62696), (408, 52093), (452, 47022), (461, 46104), (678, 31348), (904, 23511), (922, 23052), (1356, 15674), (1383, 15368), (1844, 11526), (1921, 11064), (2712, 7837), (2766, 7684), (3688, 5763), (3842, 5532)]