21295470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4409}}^1$

素因数の和:4449

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 39668370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4409, 4830, 8818, 13227, 22045, 26454, 30863, 44090, 61726, 66135, 92589, 101407, 132270, 154315, 185178, 202814, 304221, 308630, 462945, 507035, 608442, 709849, 925890, 1014070, 1419698, 1521105, 2129547, 3042210, 3549245, 4259094, 7098490, 10647735, 21295470]

約数ペア:

[(1, 21295470), (2, 10647735), (3, 7098490), (5, 4259094), (6, 3549245), (7, 3042210), (10, 2129547), (14, 1521105), (15, 1419698), (21, 1014070), (23, 925890), (30, 709849), (35, 608442), (42, 507035), (46, 462945), (69, 308630), (70, 304221), (105, 202814), (115, 185178), (138, 154315), (161, 132270), (210, 101407), (230, 92589), (322, 66135), (345, 61726), (483, 44090), (690, 30863), (805, 26454), (966, 22045), (1610, 13227), (2415, 8818), (4409, 4830)]