21821839920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{977681}}^1$

素因数の和:977731

約数の個数: 120

約数和(自身を含む): 75649122432

約数和(自身を除く): 53827282512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 977681, 1955362, 2933043, 3910724, 4888405, 5866086, 7821448, 8799129, 9776810, 11732172, 14665215, 15642896, 17598258, 19553620, 23464344, 29330430, 30308111, 35196516, 39107240, 43995645, 46928688, 58660860, 60616222, 70393032, 78214480, 87991290, 90924333, 117321720, 121232444, 140786064, 151540555, 175982580, 181848666, 234643440, 242464888, 272772999, 303081110, 351965160, 363697332, 454621665, 484929776, 545545998, 606162220, 703930320, 727394664, 909243330, 1091091996, 1212324440, 1363864995, 1454789328, 1818486660, 2182183992, 2424648880, 2727729990, 3636973320, 4364367984, 5455459980, 7273946640, 10910919960, 21821839920]

約数ペア:

[(1, 21821839920), (2, 10910919960), (3, 7273946640), (4, 5455459980), (5, 4364367984), (6, 3636973320), (8, 2727729990), (9, 2424648880), (10, 2182183992), (12, 1818486660), (15, 1454789328), (16, 1363864995), (18, 1212324440), (20, 1091091996), (24, 909243330), (30, 727394664), (31, 703930320), (36, 606162220), (40, 545545998), (45, 484929776), (48, 454621665), (60, 363697332), (62, 351965160), (72, 303081110), (80, 272772999), (90, 242464888), (93, 234643440), (120, 181848666), (124, 175982580), (144, 151540555), (155, 140786064), (180, 121232444), (186, 117321720), (240, 90924333), (248, 87991290), (279, 78214480), (310, 70393032), (360, 60616222), (372, 58660860), (465, 46928688), (496, 43995645), (558, 39107240), (620, 35196516), (720, 30308111), (744, 29330430), (930, 23464344), (1116, 19553620), (1240, 17598258), (1395, 15642896), (1488, 14665215), (1860, 11732172), (2232, 9776810), (2480, 8799129), (2790, 7821448), (3720, 5866086), (4464, 4888405), (5580, 3910724), (7440, 2933043), (11160, 1955362), (22320, 977681)]