21397344

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11731}}^1$

素因数の和:11763

約数の個数: 48

約数和(自身を含む): 59129280

約数和(自身を除く): 37731936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11731, 23462, 35193, 46924, 70386, 93848, 140772, 187696, 222889, 281544, 375392, 445778, 563088, 668667, 891556, 1126176, 1337334, 1783112, 2674668, 3566224, 5349336, 7132448, 10698672, 21397344]

約数ペア:

[(1, 21397344), (2, 10698672), (3, 7132448), (4, 5349336), (6, 3566224), (8, 2674668), (12, 1783112), (16, 1337334), (19, 1126176), (24, 891556), (32, 668667), (38, 563088), (48, 445778), (57, 375392), (76, 281544), (96, 222889), (114, 187696), (152, 140772), (228, 93848), (304, 70386), (456, 46924), (608, 35193), (912, 23462), (1824, 11731)]