21165222130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{17807}}^1$

素因数の和:18091

約数の個数: 64

約数和(自身を含む): 42219491328

約数和(自身を除く): 21054269198

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 223, 410, 446, 533, 1066, 1115, 2230, 2665, 2899, 5330, 5798, 9143, 14495, 17807, 18286, 28990, 35614, 45715, 89035, 91430, 118859, 178070, 231491, 237718, 462982, 594295, 730087, 1157455, 1188590, 1460174, 2314910, 3650435, 3970961, 7300870, 7941922, 9491131, 18982262, 19854805, 39709610, 47455655, 51622493, 94911310, 103244986, 162809401, 258112465, 325618802, 516224930, 814047005, 1628094010, 2116522213, 4233044426, 10582611065, 21165222130]

約数ペア:

[(1, 21165222130), (2, 10582611065), (5, 4233044426), (10, 2116522213), (13, 1628094010), (26, 814047005), (41, 516224930), (65, 325618802), (82, 258112465), (130, 162809401), (205, 103244986), (223, 94911310), (410, 51622493), (446, 47455655), (533, 39709610), (1066, 19854805), (1115, 18982262), (2230, 9491131), (2665, 7941922), (2899, 7300870), (5330, 3970961), (5798, 3650435), (9143, 2314910), (14495, 1460174), (17807, 1188590), (18286, 1157455), (28990, 730087), (35614, 594295), (45715, 462982), (89035, 237718), (91430, 231491), (118859, 178070)]