21036070705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 28089089280

約数和(自身を除く): 7053018575

約数列:

[1, 5, 13, 65, 83, 89, 193, 227, 415, 445, 965, 1079, 1135, 1157, 2509, 2951, 5395, 5785, 7387, 12545, 14755, 16019, 17177, 18841, 20203, 36935, 43811, 80095, 85885, 94205, 96031, 101015, 208247, 219055, 223301, 244933, 262639, 480155, 569543, 1041235, 1116505, 1224665, 1313195, 1425691, 1676849, 2847715, 3636313, 3899179, 7128455, 8384245, 18181565, 18533983, 19495895, 21799037, 47272069, 50689327, 92669915, 108995185, 236360345, 253446635, 323631857, 1618159285, 4207214141, 21036070705]

約数ペア:

[(1, 21036070705), (5, 4207214141), (13, 1618159285), (65, 323631857), (83, 253446635), (89, 236360345), (193, 108995185), (227, 92669915), (415, 50689327), (445, 47272069), (965, 21799037), (1079, 19495895), (1135, 18533983), (1157, 18181565), (2509, 8384245), (2951, 7128455), (5395, 3899179), (5785, 3636313), (7387, 2847715), (12545, 1676849), (14755, 1425691), (16019, 1313195), (17177, 1224665), (18841, 1116505), (20203, 1041235), (36935, 569543), (43811, 480155), (80095, 262639), (85885, 244933), (94205, 223301), (96031, 219055), (101015, 208247)]