21294252

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 120

約数和(自身を含む): 65456160

約数和(自身を除く): 44161908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 229, 246, 252, 287, 324, 369, 378, 458, 492, 567, 574, 687, 738, 756, 861, 916, 1107, 1134, 1148, 1374, 1476, 1603, 1722, 2061, 2214, 2268, 2583, 2748, 3206, 3321, 3444, 4122, 4428, 4809, 5166, 6183, 6412, 6642, 7749, 8244, 9389, 9618, 10332, 12366, 13284, 14427, 15498, 18549, 18778, 19236, 23247, 24732, 28167, 28854, 30996, 37098, 37556, 43281, 46494, 56334, 57708, 65723, 74196, 84501, 86562, 92988, 112668, 129843, 131446, 169002, 173124, 197169, 253503, 259686, 262892, 338004, 394338, 507006, 519372, 591507, 760509, 788676, 1014012, 1183014, 1521018, 1774521, 2366028, 3042036, 3549042, 5323563, 7098084, 10647126, 21294252]

約数ペア:

[(1, 21294252), (2, 10647126), (3, 7098084), (4, 5323563), (6, 3549042), (7, 3042036), (9, 2366028), (12, 1774521), (14, 1521018), (18, 1183014), (21, 1014012), (27, 788676), (28, 760509), (36, 591507), (41, 519372), (42, 507006), (54, 394338), (63, 338004), (81, 262892), (82, 259686), (84, 253503), (108, 197169), (123, 173124), (126, 169002), (162, 131446), (164, 129843), (189, 112668), (229, 92988), (246, 86562), (252, 84501), (287, 74196), (324, 65723), (369, 57708), (378, 56334), (458, 46494), (492, 43281), (567, 37556), (574, 37098), (687, 30996), (738, 28854), (756, 28167), (861, 24732), (916, 23247), (1107, 19236), (1134, 18778), (1148, 18549), (1374, 15498), (1476, 14427), (1603, 13284), (1722, 12366), (2061, 10332), (2214, 9618), (2268, 9389), (2583, 8244), (2748, 7749), (3206, 6642), (3321, 6412), (3444, 6183), (4122, 5166), (4428, 4809)]