21347970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 59581440

約数和(自身を除く): 38233470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 295, 354, 413, 590, 826, 885, 1239, 1723, 1770, 2065, 2478, 3446, 4130, 5169, 6195, 8615, 10338, 12061, 12390, 17230, 24122, 25845, 36183, 51690, 60305, 72366, 101657, 120610, 180915, 203314, 304971, 361830, 508285, 609942, 711599, 1016570, 1423198, 1524855, 2134797, 3049710, 3557995, 4269594, 7115990, 10673985, 21347970]

約数ペア:

[(1, 21347970), (2, 10673985), (3, 7115990), (5, 4269594), (6, 3557995), (7, 3049710), (10, 2134797), (14, 1524855), (15, 1423198), (21, 1016570), (30, 711599), (35, 609942), (42, 508285), (59, 361830), (70, 304971), (105, 203314), (118, 180915), (177, 120610), (210, 101657), (295, 72366), (354, 60305), (413, 51690), (590, 36183), (826, 25845), (885, 24122), (1239, 17230), (1723, 12390), (1770, 12061), (2065, 10338), (2478, 8615), (3446, 6195), (4130, 5169)]