21915132

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 54176640

約数和(自身を除く): 32261508

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 277, 347, 554, 694, 831, 1041, 1108, 1388, 1662, 2082, 3324, 4164, 5263, 6593, 10526, 13186, 15789, 19779, 21052, 26372, 31578, 39558, 63156, 79116, 96119, 192238, 288357, 384476, 576714, 1153428, 1826261, 3652522, 5478783, 7305044, 10957566, 21915132]

約数ペア:

[(1, 21915132), (2, 10957566), (3, 7305044), (4, 5478783), (6, 3652522), (12, 1826261), (19, 1153428), (38, 576714), (57, 384476), (76, 288357), (114, 192238), (228, 96119), (277, 79116), (347, 63156), (554, 39558), (694, 31578), (831, 26372), (1041, 21052), (1108, 19779), (1388, 15789), (1662, 13186), (2082, 10526), (3324, 6593), (4164, 5263)]