21478050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4339}}^1$

素因数の和:4368

約数の個数: 72

約数和(自身を含む): 62964720

約数和(自身を除く): 41486670

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4339, 4950, 8678, 13017, 21695, 26034, 39051, 43390, 47729, 65085, 78102, 95458, 108475, 130170, 143187, 195255, 216950, 238645, 286374, 325425, 390510, 429561, 477290, 650850, 715935, 859122, 976275, 1193225, 1431870, 1952550, 2147805, 2386450, 3579675, 4295610, 7159350, 10739025, 21478050]

約数ペア:

[(1, 21478050), (2, 10739025), (3, 7159350), (5, 4295610), (6, 3579675), (9, 2386450), (10, 2147805), (11, 1952550), (15, 1431870), (18, 1193225), (22, 976275), (25, 859122), (30, 715935), (33, 650850), (45, 477290), (50, 429561), (55, 390510), (66, 325425), (75, 286374), (90, 238645), (99, 216950), (110, 195255), (150, 143187), (165, 130170), (198, 108475), (225, 95458), (275, 78102), (330, 65085), (450, 47729), (495, 43390), (550, 39051), (825, 26034), (990, 21695), (1650, 13017), (2475, 8678), (4339, 4950)]