21722760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 71547840

約数和(自身を除く): 49825080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 727, 747, 830, 996, 1245, 1454, 1494, 1660, 1992, 2181, 2490, 2908, 2988, 3320, 3635, 3735, 4362, 4980, 5816, 5976, 6543, 7270, 7470, 8724, 9960, 10905, 13086, 14540, 14940, 17448, 21810, 26172, 29080, 29880, 32715, 43620, 52344, 60341, 65430, 87240, 120682, 130860, 181023, 241364, 261720, 301705, 362046, 482728, 543069, 603410, 724092, 905115, 1086138, 1206820, 1448184, 1810230, 2172276, 2413640, 2715345, 3620460, 4344552, 5430690, 7240920, 10861380, 21722760]

約数ペア:

[(1, 21722760), (2, 10861380), (3, 7240920), (4, 5430690), (5, 4344552), (6, 3620460), (8, 2715345), (9, 2413640), (10, 2172276), (12, 1810230), (15, 1448184), (18, 1206820), (20, 1086138), (24, 905115), (30, 724092), (36, 603410), (40, 543069), (45, 482728), (60, 362046), (72, 301705), (83, 261720), (90, 241364), (120, 181023), (166, 130860), (180, 120682), (249, 87240), (332, 65430), (360, 60341), (415, 52344), (498, 43620), (664, 32715), (727, 29880), (747, 29080), (830, 26172), (996, 21810), (1245, 17448), (1454, 14940), (1494, 14540), (1660, 13086), (1992, 10905), (2181, 9960), (2490, 8724), (2908, 7470), (2988, 7270), (3320, 6543), (3635, 5976), (3735, 5816), (4362, 4980)]