21660744

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 63940320

約数和(自身を除く): 42279576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 113, 147, 163, 168, 196, 226, 294, 326, 339, 392, 452, 489, 588, 652, 678, 791, 904, 978, 1141, 1176, 1304, 1356, 1582, 1956, 2282, 2373, 2712, 3164, 3423, 3912, 4564, 4746, 5537, 6328, 6846, 7987, 9128, 9492, 11074, 13692, 15974, 16611, 18419, 18984, 22148, 23961, 27384, 31948, 33222, 36838, 44296, 47922, 55257, 63896, 66444, 73676, 95844, 110514, 128933, 132888, 147352, 191688, 221028, 257866, 386799, 442056, 515732, 773598, 902531, 1031464, 1547196, 1805062, 2707593, 3094392, 3610124, 5415186, 7220248, 10830372, 21660744]

約数ペア:

[(1, 21660744), (2, 10830372), (3, 7220248), (4, 5415186), (6, 3610124), (7, 3094392), (8, 2707593), (12, 1805062), (14, 1547196), (21, 1031464), (24, 902531), (28, 773598), (42, 515732), (49, 442056), (56, 386799), (84, 257866), (98, 221028), (113, 191688), (147, 147352), (163, 132888), (168, 128933), (196, 110514), (226, 95844), (294, 73676), (326, 66444), (339, 63896), (392, 55257), (452, 47922), (489, 44296), (588, 36838), (652, 33222), (678, 31948), (791, 27384), (904, 23961), (978, 22148), (1141, 18984), (1176, 18419), (1304, 16611), (1356, 15974), (1582, 13692), (1956, 11074), (2282, 9492), (2373, 9128), (2712, 7987), (3164, 6846), (3423, 6328), (3912, 5537), (4564, 4746)]