21883428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2347}}^1$

素因数の和:2401

約数の個数: 72

約数和(自身を含む): 64955072

約数和(自身を除く): 43071644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 2347, 3108, 4662, 4694, 7041, 9324, 9388, 14082, 16429, 21123, 28164, 32858, 42246, 49287, 65716, 84492, 86839, 98574, 147861, 173678, 197148, 260517, 295722, 347356, 521034, 591444, 607873, 781551, 1042068, 1215746, 1563102, 1823619, 2431492, 3126204, 3647238, 5470857, 7294476, 10941714, 21883428]

約数ペア:

[(1, 21883428), (2, 10941714), (3, 7294476), (4, 5470857), (6, 3647238), (7, 3126204), (9, 2431492), (12, 1823619), (14, 1563102), (18, 1215746), (21, 1042068), (28, 781551), (36, 607873), (37, 591444), (42, 521034), (63, 347356), (74, 295722), (84, 260517), (111, 197148), (126, 173678), (148, 147861), (222, 98574), (252, 86839), (259, 84492), (333, 65716), (444, 49287), (518, 42246), (666, 32858), (777, 28164), (1036, 21123), (1332, 16429), (1554, 14082), (2331, 9388), (2347, 9324), (3108, 7041), (4662, 4694)]