21751416

素因数分解:

$2^3\times 3^5\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 62375040

約数和(自身を除く): 40623624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 167, 201, 216, 243, 268, 324, 334, 402, 486, 501, 536, 603, 648, 668, 804, 972, 1002, 1206, 1336, 1503, 1608, 1809, 1944, 2004, 2412, 3006, 3618, 4008, 4509, 4824, 5427, 6012, 7236, 9018, 10854, 11189, 12024, 13527, 14472, 16281, 18036, 21708, 22378, 27054, 32562, 33567, 36072, 40581, 43416, 44756, 54108, 65124, 67134, 81162, 89512, 100701, 108216, 130248, 134268, 162324, 201402, 268536, 302103, 324648, 402804, 604206, 805608, 906309, 1208412, 1812618, 2416824, 2718927, 3625236, 5437854, 7250472, 10875708, 21751416]

約数ペア:

[(1, 21751416), (2, 10875708), (3, 7250472), (4, 5437854), (6, 3625236), (8, 2718927), (9, 2416824), (12, 1812618), (18, 1208412), (24, 906309), (27, 805608), (36, 604206), (54, 402804), (67, 324648), (72, 302103), (81, 268536), (108, 201402), (134, 162324), (162, 134268), (167, 130248), (201, 108216), (216, 100701), (243, 89512), (268, 81162), (324, 67134), (334, 65124), (402, 54108), (486, 44756), (501, 43416), (536, 40581), (603, 36072), (648, 33567), (668, 32562), (804, 27054), (972, 22378), (1002, 21708), (1206, 18036), (1336, 16281), (1503, 14472), (1608, 13527), (1809, 12024), (1944, 11189), (2004, 10854), (2412, 9018), (3006, 7236), (3618, 6012), (4008, 5427), (4509, 4824)]