21797790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4513}}^1$

素因数の和:4553

約数の個数: 64

約数和(自身を含む): 62401536

約数和(自身を除く): 40603746

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, 4513, 4830, 9026, 13539, 22565, 27078, 31591, 45130, 63182, 67695, 94773, 103799, 135390, 157955, 189546, 207598, 311397, 315910, 473865, 518995, 622794, 726593, 947730, 1037990, 1453186, 1556985, 2179779, 3113970, 3632965, 4359558, 7265930, 10898895, 21797790]

約数ペア:

[(1, 21797790), (2, 10898895), (3, 7265930), (5, 4359558), (6, 3632965), (7, 3113970), (10, 2179779), (14, 1556985), (15, 1453186), (21, 1037990), (23, 947730), (30, 726593), (35, 622794), (42, 518995), (46, 473865), (69, 315910), (70, 311397), (105, 207598), (115, 189546), (138, 157955), (161, 135390), (210, 103799), (230, 94773), (322, 67695), (345, 63182), (483, 45130), (690, 31591), (805, 27078), (966, 22565), (1610, 13539), (2415, 9026), (4513, 4830)]