21944528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 44330496

約数和(自身を除く): 22385968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 293, 302, 496, 586, 604, 1172, 1208, 2344, 2416, 4681, 4688, 9083, 9362, 18166, 18724, 36332, 37448, 44243, 72664, 74896, 88486, 145328, 176972, 353944, 707888, 1371533, 2743066, 5486132, 10972264, 21944528]

約数ペア:

[(1, 21944528), (2, 10972264), (4, 5486132), (8, 2743066), (16, 1371533), (31, 707888), (62, 353944), (124, 176972), (151, 145328), (248, 88486), (293, 74896), (302, 72664), (496, 44243), (586, 37448), (604, 36332), (1172, 18724), (1208, 18166), (2344, 9362), (2416, 9083), (4681, 4688)]