21725360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14293}}^1$

素因数の和:14325

約数の個数: 40

約数和(自身を含む): 53173680

約数和(自身を除く): 31448320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 14293, 28586, 57172, 71465, 114344, 142930, 228688, 271567, 285860, 543134, 571720, 1086268, 1143440, 1357835, 2172536, 2715670, 4345072, 5431340, 10862680, 21725360]

約数ペア:

[(1, 21725360), (2, 10862680), (4, 5431340), (5, 4345072), (8, 2715670), (10, 2172536), (16, 1357835), (19, 1143440), (20, 1086268), (38, 571720), (40, 543134), (76, 285860), (80, 271567), (95, 228688), (152, 142930), (190, 114344), (304, 71465), (380, 57172), (760, 28586), (1520, 14293)]