21002850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4243}}^1$

素因数の和:4272

約数の個数: 72

約数和(自身を含む): 61571952

約数和(自身を除く): 40569102

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, 4243, 4950, 8486, 12729, 21215, 25458, 38187, 42430, 46673, 63645, 76374, 93346, 106075, 127290, 140019, 190935, 212150, 233365, 280038, 318225, 381870, 420057, 466730, 636450, 700095, 840114, 954675, 1166825, 1400190, 1909350, 2100285, 2333650, 3500475, 4200570, 7000950, 10501425, 21002850]

約数ペア:

[(1, 21002850), (2, 10501425), (3, 7000950), (5, 4200570), (6, 3500475), (9, 2333650), (10, 2100285), (11, 1909350), (15, 1400190), (18, 1166825), (22, 954675), (25, 840114), (30, 700095), (33, 636450), (45, 466730), (50, 420057), (55, 381870), (66, 318225), (75, 280038), (90, 233365), (99, 212150), (110, 190935), (150, 140019), (165, 127290), (198, 106075), (225, 93346), (275, 76374), (330, 63645), (450, 46673), (495, 42430), (550, 38187), (825, 25458), (990, 21215), (1650, 12729), (2475, 8486), (4243, 4950)]