21560190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 32629890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 97, 155, 186, 194, 239, 291, 310, 465, 478, 485, 582, 717, 930, 970, 1195, 1434, 1455, 2390, 2910, 3007, 3585, 6014, 7170, 7409, 9021, 14818, 15035, 18042, 22227, 23183, 30070, 37045, 44454, 45105, 46366, 69549, 74090, 90210, 111135, 115915, 139098, 222270, 231830, 347745, 695490, 718673, 1437346, 2156019, 3593365, 4312038, 7186730, 10780095, 21560190]

約数ペア:

[(1, 21560190), (2, 10780095), (3, 7186730), (5, 4312038), (6, 3593365), (10, 2156019), (15, 1437346), (30, 718673), (31, 695490), (62, 347745), (93, 231830), (97, 222270), (155, 139098), (186, 115915), (194, 111135), (239, 90210), (291, 74090), (310, 69549), (465, 46366), (478, 45105), (485, 44454), (582, 37045), (717, 30070), (930, 23183), (970, 22227), (1195, 18042), (1434, 15035), (1455, 14818), (2390, 9021), (2910, 7409), (3007, 7170), (3585, 6014)]