21749832

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1267

約数の個数: 96

約数和(自身を含む): 66830400

約数和(自身を除く): 45080568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1223, 1368, 1482, 1976, 2223, 2446, 2964, 3669, 4446, 4892, 5928, 7338, 8892, 9784, 11007, 14676, 15899, 17784, 22014, 23237, 29352, 31798, 44028, 46474, 47697, 63596, 69711, 88056, 92948, 95394, 127192, 139422, 143091, 185896, 190788, 209133, 278844, 286182, 302081, 381576, 418266, 557688, 572364, 604162, 836532, 906243, 1144728, 1208324, 1673064, 1812486, 2416648, 2718729, 3624972, 5437458, 7249944, 10874916, 21749832]

約数ペア:

[(1, 21749832), (2, 10874916), (3, 7249944), (4, 5437458), (6, 3624972), (8, 2718729), (9, 2416648), (12, 1812486), (13, 1673064), (18, 1208324), (19, 1144728), (24, 906243), (26, 836532), (36, 604162), (38, 572364), (39, 557688), (52, 418266), (57, 381576), (72, 302081), (76, 286182), (78, 278844), (104, 209133), (114, 190788), (117, 185896), (152, 143091), (156, 139422), (171, 127192), (228, 95394), (234, 92948), (247, 88056), (312, 69711), (342, 63596), (456, 47697), (468, 46474), (494, 44028), (684, 31798), (741, 29352), (936, 23237), (988, 22014), (1223, 17784), (1368, 15899), (1482, 14676), (1976, 11007), (2223, 9784), (2446, 8892), (2964, 7338), (3669, 5928), (4446, 4892)]