21203112

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 61603200

約数和(自身を除く): 40400088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2069, 2562, 3416, 4138, 5124, 6207, 8276, 10248, 12414, 14483, 16552, 24828, 28966, 43449, 49656, 57932, 86898, 115864, 126209, 173796, 252418, 347592, 378627, 504836, 757254, 883463, 1009672, 1514508, 1766926, 2650389, 3029016, 3533852, 5300778, 7067704, 10601556, 21203112]

約数ペア:

[(1, 21203112), (2, 10601556), (3, 7067704), (4, 5300778), (6, 3533852), (7, 3029016), (8, 2650389), (12, 1766926), (14, 1514508), (21, 1009672), (24, 883463), (28, 757254), (42, 504836), (56, 378627), (61, 347592), (84, 252418), (122, 173796), (168, 126209), (183, 115864), (244, 86898), (366, 57932), (427, 49656), (488, 43449), (732, 28966), (854, 24828), (1281, 16552), (1464, 14483), (1708, 12414), (2069, 10248), (2562, 8276), (3416, 6207), (4138, 5124)]