21461220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3613}}^1$

素因数の和:3642

約数の個数: 96

約数和(自身を含む): 72858240

約数和(自身を除く): 51397020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3613, 5940, 7226, 10839, 14452, 18065, 21678, 32517, 36130, 39743, 43356, 54195, 65034, 72260, 79486, 97551, 108390, 119229, 130068, 158972, 162585, 195102, 198715, 216780, 238458, 325170, 357687, 390204, 397430, 476916, 487755, 596145, 650340, 715374, 794860, 975510, 1073061, 1192290, 1430748, 1788435, 1951020, 2146122, 2384580, 3576870, 4292244, 5365305, 7153740, 10730610, 21461220]

約数ペア:

[(1, 21461220), (2, 10730610), (3, 7153740), (4, 5365305), (5, 4292244), (6, 3576870), (9, 2384580), (10, 2146122), (11, 1951020), (12, 1788435), (15, 1430748), (18, 1192290), (20, 1073061), (22, 975510), (27, 794860), (30, 715374), (33, 650340), (36, 596145), (44, 487755), (45, 476916), (54, 397430), (55, 390204), (60, 357687), (66, 325170), (90, 238458), (99, 216780), (108, 198715), (110, 195102), (132, 162585), (135, 158972), (165, 130068), (180, 119229), (198, 108390), (220, 97551), (270, 79486), (297, 72260), (330, 65034), (396, 54195), (495, 43356), (540, 39743), (594, 36130), (660, 32517), (990, 21678), (1188, 18065), (1485, 14452), (1980, 10839), (2970, 7226), (3613, 5940)]