21054150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 62964720

約数和(自身を除く): 41910570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 59, 61, 65, 75, 78, 90, 117, 118, 122, 130, 150, 177, 183, 195, 225, 234, 295, 305, 325, 354, 366, 390, 450, 531, 549, 585, 590, 610, 650, 767, 793, 885, 915, 975, 1062, 1098, 1170, 1475, 1525, 1534, 1586, 1770, 1830, 1950, 2301, 2379, 2655, 2745, 2925, 2950, 3050, 3599, 3835, 3965, 4425, 4575, 4602, 4758, 5310, 5490, 5850, 6903, 7137, 7198, 7670, 7930, 8850, 9150, 10797, 11505, 11895, 13275, 13725, 13806, 14274, 17995, 19175, 19825, 21594, 23010, 23790, 26550, 27450, 32391, 34515, 35685, 35990, 38350, 39650, 46787, 53985, 57525, 59475, 64782, 69030, 71370, 89975, 93574, 107970, 115050, 118950, 140361, 161955, 172575, 178425, 179950, 233935, 269925, 280722, 323910, 345150, 356850, 421083, 467870, 539850, 701805, 809775, 842166, 1169675, 1403610, 1619550, 2105415, 2339350, 3509025, 4210830, 7018050, 10527075, 21054150]

約数ペア:

[(1, 21054150), (2, 10527075), (3, 7018050), (5, 4210830), (6, 3509025), (9, 2339350), (10, 2105415), (13, 1619550), (15, 1403610), (18, 1169675), (25, 842166), (26, 809775), (30, 701805), (39, 539850), (45, 467870), (50, 421083), (59, 356850), (61, 345150), (65, 323910), (75, 280722), (78, 269925), (90, 233935), (117, 179950), (118, 178425), (122, 172575), (130, 161955), (150, 140361), (177, 118950), (183, 115050), (195, 107970), (225, 93574), (234, 89975), (295, 71370), (305, 69030), (325, 64782), (354, 59475), (366, 57525), (390, 53985), (450, 46787), (531, 39650), (549, 38350), (585, 35990), (590, 35685), (610, 34515), (650, 32391), (767, 27450), (793, 26550), (885, 23790), (915, 23010), (975, 21594), (1062, 19825), (1098, 19175), (1170, 17995), (1475, 14274), (1525, 13806), (1534, 13725), (1586, 13275), (1770, 11895), (1830, 11505), (1950, 10797), (2301, 9150), (2379, 8850), (2655, 7930), (2745, 7670), (2925, 7198), (2950, 7137), (3050, 6903), (3599, 5850), (3835, 5490), (3965, 5310), (4425, 4758), (4575, 4602)]