21041748

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2174

約数の個数: 96

約数和(自身を含む): 67173120

約数和(自身を除く): 46131372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2141, 2457, 3276, 4282, 4914, 6423, 8564, 9828, 12846, 14987, 19269, 25692, 27833, 29974, 38538, 44961, 55666, 57807, 59948, 77076, 83499, 89922, 111332, 115614, 134883, 166998, 179844, 194831, 231228, 250497, 269766, 333996, 389662, 404649, 500994, 539532, 584493, 751491, 779324, 809298, 1001988, 1168986, 1502982, 1618596, 1753479, 2337972, 3005964, 3506958, 5260437, 7013916, 10520874, 21041748]

約数ペア:

[(1, 21041748), (2, 10520874), (3, 7013916), (4, 5260437), (6, 3506958), (7, 3005964), (9, 2337972), (12, 1753479), (13, 1618596), (14, 1502982), (18, 1168986), (21, 1001988), (26, 809298), (27, 779324), (28, 751491), (36, 584493), (39, 539532), (42, 500994), (52, 404649), (54, 389662), (63, 333996), (78, 269766), (84, 250497), (91, 231228), (108, 194831), (117, 179844), (126, 166998), (156, 134883), (182, 115614), (189, 111332), (234, 89922), (252, 83499), (273, 77076), (351, 59948), (364, 57807), (378, 55666), (468, 44961), (546, 38538), (702, 29974), (756, 27833), (819, 25692), (1092, 19269), (1404, 14987), (1638, 12846), (2141, 9828), (2457, 8564), (3276, 6423), (4282, 4914)]