21167475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1753}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 41759232

約数和(自身を除く): 20591757

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 1753, 2415, 4025, 5259, 8765, 12075, 12271, 26295, 36813, 40319, 43825, 61355, 120957, 131475, 184065, 201595, 282233, 306775, 604785, 846699, 920325, 1007975, 1411165, 3023925, 4233495, 7055825, 21167475]

約数ペア:

[(1, 21167475), (3, 7055825), (5, 4233495), (7, 3023925), (15, 1411165), (21, 1007975), (23, 920325), (25, 846699), (35, 604785), (69, 306775), (75, 282233), (105, 201595), (115, 184065), (161, 131475), (175, 120957), (345, 61355), (483, 43825), (525, 40319), (575, 36813), (805, 26295), (1725, 12271), (1753, 12075), (2415, 8765), (4025, 5259)]