21197616

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2154

約数の個数: 80

約数和(自身を含む): 62912640

約数和(自身を除く): 41715024

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 114, 132, 152, 176, 209, 228, 264, 304, 418, 456, 528, 627, 836, 912, 1254, 1672, 2113, 2508, 3344, 4226, 5016, 6339, 8452, 10032, 12678, 16904, 23243, 25356, 33808, 40147, 46486, 50712, 69729, 80294, 92972, 101424, 120441, 139458, 160588, 185944, 240882, 278916, 321176, 371888, 441617, 481764, 557832, 642352, 883234, 963528, 1115664, 1324851, 1766468, 1927056, 2649702, 3532936, 5299404, 7065872, 10598808, 21197616]

約数ペア:

[(1, 21197616), (2, 10598808), (3, 7065872), (4, 5299404), (6, 3532936), (8, 2649702), (11, 1927056), (12, 1766468), (16, 1324851), (19, 1115664), (22, 963528), (24, 883234), (33, 642352), (38, 557832), (44, 481764), (48, 441617), (57, 371888), (66, 321176), (76, 278916), (88, 240882), (114, 185944), (132, 160588), (152, 139458), (176, 120441), (209, 101424), (228, 92972), (264, 80294), (304, 69729), (418, 50712), (456, 46486), (528, 40147), (627, 33808), (836, 25356), (912, 23243), (1254, 16904), (1672, 12678), (2113, 10032), (2508, 8452), (3344, 6339), (4226, 5016)]