21055944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 67092480

約数和(自身を除く): 46036536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 182, 186, 217, 248, 273, 311, 312, 364, 372, 403, 434, 546, 622, 651, 728, 744, 806, 868, 933, 1092, 1209, 1244, 1302, 1612, 1736, 1866, 2177, 2184, 2418, 2488, 2604, 2821, 3224, 3732, 4043, 4354, 4836, 5208, 5642, 6531, 7464, 8086, 8463, 8708, 9641, 9672, 11284, 12129, 13062, 16172, 16926, 17416, 19282, 22568, 24258, 26124, 28301, 28923, 32344, 33852, 38564, 48516, 52248, 56602, 57846, 67487, 67704, 77128, 84903, 97032, 113204, 115692, 125333, 134974, 169806, 202461, 226408, 231384, 250666, 269948, 339612, 375999, 404922, 501332, 539896, 679224, 751998, 809844, 877331, 1002664, 1503996, 1619688, 1754662, 2631993, 3007992, 3509324, 5263986, 7018648, 10527972, 21055944]

約数ペア:

[(1, 21055944), (2, 10527972), (3, 7018648), (4, 5263986), (6, 3509324), (7, 3007992), (8, 2631993), (12, 1754662), (13, 1619688), (14, 1503996), (21, 1002664), (24, 877331), (26, 809844), (28, 751998), (31, 679224), (39, 539896), (42, 501332), (52, 404922), (56, 375999), (62, 339612), (78, 269948), (84, 250666), (91, 231384), (93, 226408), (104, 202461), (124, 169806), (156, 134974), (168, 125333), (182, 115692), (186, 113204), (217, 97032), (248, 84903), (273, 77128), (311, 67704), (312, 67487), (364, 57846), (372, 56602), (403, 52248), (434, 48516), (546, 38564), (622, 33852), (651, 32344), (728, 28923), (744, 28301), (806, 26124), (868, 24258), (933, 22568), (1092, 19282), (1209, 17416), (1244, 16926), (1302, 16172), (1612, 13062), (1736, 12129), (1866, 11284), (2177, 9672), (2184, 9641), (2418, 8708), (2488, 8463), (2604, 8086), (2821, 7464), (3224, 6531), (3732, 5642), (4043, 5208), (4354, 4836)]