21299850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 144

約数和(自身を含む): 67433184

約数和(自身を除く): 46133334

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 25, 26, 30, 33, 39, 45, 50, 55, 65, 66, 75, 78, 90, 99, 110, 117, 130, 143, 150, 165, 195, 198, 225, 234, 275, 286, 325, 330, 331, 390, 429, 450, 495, 550, 585, 650, 662, 715, 825, 858, 975, 990, 993, 1170, 1287, 1430, 1650, 1655, 1950, 1986, 2145, 2475, 2574, 2925, 2979, 3310, 3575, 3641, 4290, 4303, 4950, 4965, 5850, 5958, 6435, 7150, 7282, 8275, 8606, 9930, 10725, 10923, 12870, 12909, 14895, 16550, 18205, 21450, 21515, 21846, 24825, 25818, 29790, 32175, 32769, 36410, 38727, 43030, 47333, 49650, 54615, 64350, 64545, 65538, 74475, 77454, 91025, 94666, 107575, 109230, 129090, 141999, 148950, 163845, 182050, 193635, 215150, 236665, 273075, 283998, 322725, 327690, 387270, 425997, 473330, 546150, 645450, 709995, 819225, 851994, 968175, 1183325, 1419990, 1638450, 1936350, 2129985, 2366650, 3549975, 4259970, 7099950, 10649925, 21299850]

約数ペア:

[(1, 21299850), (2, 10649925), (3, 7099950), (5, 4259970), (6, 3549975), (9, 2366650), (10, 2129985), (11, 1936350), (13, 1638450), (15, 1419990), (18, 1183325), (22, 968175), (25, 851994), (26, 819225), (30, 709995), (33, 645450), (39, 546150), (45, 473330), (50, 425997), (55, 387270), (65, 327690), (66, 322725), (75, 283998), (78, 273075), (90, 236665), (99, 215150), (110, 193635), (117, 182050), (130, 163845), (143, 148950), (150, 141999), (165, 129090), (195, 109230), (198, 107575), (225, 94666), (234, 91025), (275, 77454), (286, 74475), (325, 65538), (330, 64545), (331, 64350), (390, 54615), (429, 49650), (450, 47333), (495, 43030), (550, 38727), (585, 36410), (650, 32769), (662, 32175), (715, 29790), (825, 25818), (858, 24825), (975, 21846), (990, 21515), (993, 21450), (1170, 18205), (1287, 16550), (1430, 14895), (1650, 12909), (1655, 12870), (1950, 10923), (1986, 10725), (2145, 9930), (2475, 8606), (2574, 8275), (2925, 7282), (2979, 7150), (3310, 6435), (3575, 5958), (3641, 5850), (4290, 4965), (4303, 4950)]