21032015940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{68611}}^1$

素因数の和:68770

約数の個数: 144

約数和(自身を含む): 69230056896

約数和(自身を除く): 48198040956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 131, 156, 180, 195, 234, 260, 262, 390, 393, 468, 524, 585, 655, 780, 786, 1170, 1179, 1310, 1572, 1703, 1965, 2340, 2358, 2620, 3406, 3930, 4716, 5109, 5895, 6812, 7860, 8515, 10218, 11790, 15327, 17030, 20436, 23580, 25545, 30654, 34060, 51090, 61308, 68611, 76635, 102180, 137222, 153270, 205833, 274444, 306540, 343055, 411666, 617499, 686110, 823332, 891943, 1029165, 1234998, 1372220, 1783886, 2058330, 2469996, 2675829, 3087495, 3567772, 4116660, 4459715, 5351658, 6174990, 8027487, 8919430, 8988041, 10703316, 12349980, 13379145, 16054974, 17838860, 17976082, 26758290, 26964123, 32109948, 35952164, 40137435, 44940205, 53516580, 53928246, 80274870, 80892369, 89880410, 107856492, 116844533, 134820615, 160549740, 161784738, 179760820, 233689066, 269641230, 323569476, 350533599, 404461845, 467378132, 539282460, 584222665, 701067198, 808923690, 1051600797, 1168445330, 1402134396, 1617847380, 1752667995, 2103201594, 2336890660, 3505335990, 4206403188, 5258003985, 7010671980, 10516007970, 21032015940]

約数ペア:

[(1, 21032015940), (2, 10516007970), (3, 7010671980), (4, 5258003985), (5, 4206403188), (6, 3505335990), (9, 2336890660), (10, 2103201594), (12, 1752667995), (13, 1617847380), (15, 1402134396), (18, 1168445330), (20, 1051600797), (26, 808923690), (30, 701067198), (36, 584222665), (39, 539282460), (45, 467378132), (52, 404461845), (60, 350533599), (65, 323569476), (78, 269641230), (90, 233689066), (117, 179760820), (130, 161784738), (131, 160549740), (156, 134820615), (180, 116844533), (195, 107856492), (234, 89880410), (260, 80892369), (262, 80274870), (390, 53928246), (393, 53516580), (468, 44940205), (524, 40137435), (585, 35952164), (655, 32109948), (780, 26964123), (786, 26758290), (1170, 17976082), (1179, 17838860), (1310, 16054974), (1572, 13379145), (1703, 12349980), (1965, 10703316), (2340, 8988041), (2358, 8919430), (2620, 8027487), (3406, 6174990), (3930, 5351658), (4716, 4459715), (5109, 4116660), (5895, 3567772), (6812, 3087495), (7860, 2675829), (8515, 2469996), (10218, 2058330), (11790, 1783886), (15327, 1372220), (17030, 1234998), (20436, 1029165), (23580, 891943), (25545, 823332), (30654, 686110), (34060, 617499), (51090, 411666), (61308, 343055), (68611, 306540), (76635, 274444), (102180, 205833), (137222, 153270)]