21741390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21961}}^1$

素因数の和:21985

約数の個数: 48

約数和(自身を含む): 61669296

約数和(自身を除く): 39927906

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21961, 43922, 65883, 109805, 131766, 197649, 219610, 241571, 329415, 395298, 483142, 658830, 724713, 988245, 1207855, 1449426, 1976490, 2174139, 2415710, 3623565, 4348278, 7247130, 10870695, 21741390]

約数ペア:

[(1, 21741390), (2, 10870695), (3, 7247130), (5, 4348278), (6, 3623565), (9, 2415710), (10, 2174139), (11, 1976490), (15, 1449426), (18, 1207855), (22, 988245), (30, 724713), (33, 658830), (45, 483142), (55, 395298), (66, 329415), (90, 241571), (99, 219610), (110, 197649), (165, 131766), (198, 109805), (330, 65883), (495, 43922), (990, 21961)]