21830760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8663}}^1$

素因数の和:8687

約数の個数: 96

約数和(自身を含む): 81095040

約数和(自身を除く): 59264280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8663, 17326, 25989, 34652, 43315, 51978, 60641, 69304, 77967, 86630, 103956, 121282, 129945, 155934, 173260, 181923, 207912, 242564, 259890, 303205, 311868, 346520, 363846, 389835, 485128, 519780, 545769, 606410, 623736, 727692, 779670, 909615, 1039560, 1091538, 1212820, 1455384, 1559340, 1819230, 2183076, 2425640, 2728845, 3118680, 3638460, 4366152, 5457690, 7276920, 10915380, 21830760]

約数ペア:

[(1, 21830760), (2, 10915380), (3, 7276920), (4, 5457690), (5, 4366152), (6, 3638460), (7, 3118680), (8, 2728845), (9, 2425640), (10, 2183076), (12, 1819230), (14, 1559340), (15, 1455384), (18, 1212820), (20, 1091538), (21, 1039560), (24, 909615), (28, 779670), (30, 727692), (35, 623736), (36, 606410), (40, 545769), (42, 519780), (45, 485128), (56, 389835), (60, 363846), (63, 346520), (70, 311868), (72, 303205), (84, 259890), (90, 242564), (105, 207912), (120, 181923), (126, 173260), (140, 155934), (168, 129945), (180, 121282), (210, 103956), (252, 86630), (280, 77967), (315, 69304), (360, 60641), (420, 51978), (504, 43315), (630, 34652), (840, 25989), (1260, 17326), (2520, 8663)]