21014565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 40303872

約数和(自身を除く): 19289307

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 97, 101, 143, 165, 195, 291, 303, 429, 485, 505, 715, 1067, 1111, 1261, 1313, 1455, 1515, 2145, 3201, 3333, 3783, 3939, 5335, 5555, 6305, 6565, 9797, 13871, 14443, 16005, 16665, 18915, 19695, 29391, 41613, 43329, 48985, 69355, 72215, 107767, 127361, 146955, 208065, 216645, 323301, 382083, 538835, 636805, 1400971, 1616505, 1910415, 4202913, 7004855, 21014565]

約数ペア:

[(1, 21014565), (3, 7004855), (5, 4202913), (11, 1910415), (13, 1616505), (15, 1400971), (33, 636805), (39, 538835), (55, 382083), (65, 323301), (97, 216645), (101, 208065), (143, 146955), (165, 127361), (195, 107767), (291, 72215), (303, 69355), (429, 48985), (485, 43329), (505, 41613), (715, 29391), (1067, 19695), (1111, 18915), (1261, 16665), (1313, 16005), (1455, 14443), (1515, 13871), (2145, 9797), (3201, 6565), (3333, 6305), (3783, 5555), (3939, 5335)]