21583430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25072570

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 449, 506, 874, 898, 1045, 1265, 2090, 2185, 2245, 2530, 4370, 4490, 4807, 4939, 8531, 9614, 9878, 10327, 17062, 20654, 24035, 24695, 42655, 48070, 49390, 51635, 85310, 93841, 103270, 113597, 187682, 196213, 227194, 392426, 469205, 567985, 938410, 981065, 1135970, 1962130, 2158343, 4316686, 10791715, 21583430]

約数ペア:

[(1, 21583430), (2, 10791715), (5, 4316686), (10, 2158343), (11, 1962130), (19, 1135970), (22, 981065), (23, 938410), (38, 567985), (46, 469205), (55, 392426), (95, 227194), (110, 196213), (115, 187682), (190, 113597), (209, 103270), (230, 93841), (253, 85310), (418, 51635), (437, 49390), (449, 48070), (506, 42655), (874, 24695), (898, 24035), (1045, 20654), (1265, 17062), (2090, 10327), (2185, 9878), (2245, 9614), (2530, 8531), (4370, 4939), (4490, 4807)]