21000929470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6427}}^1\times {\mathrm{14207}}^1$

素因数の和:20664

約数の個数: 32

約数和(自身を含む): 39454138368

約数和(自身を除く): 18453208898

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 6427, 12854, 14207, 28414, 32135, 64270, 71035, 142070, 147821, 295642, 326761, 653522, 739105, 1478210, 1633805, 3267610, 91308389, 182616778, 456541945, 913083890, 2100092947, 4200185894, 10500464735, 21000929470]

約数ペア:

[(1, 21000929470), (2, 10500464735), (5, 4200185894), (10, 2100092947), (23, 913083890), (46, 456541945), (115, 182616778), (230, 91308389), (6427, 3267610), (12854, 1633805), (14207, 1478210), (28414, 739105), (32135, 653522), (64270, 326761), (71035, 295642), (142070, 147821)]