21653060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 54698112

約数和(自身を除く): 33045052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 113, 130, 134, 143, 220, 226, 260, 268, 286, 335, 452, 565, 572, 670, 715, 737, 871, 1130, 1243, 1340, 1430, 1469, 1474, 1742, 2260, 2486, 2860, 2938, 2948, 3484, 3685, 4355, 4972, 5876, 6215, 7345, 7370, 7571, 8710, 9581, 12430, 14690, 14740, 15142, 16159, 17420, 19162, 24860, 29380, 30284, 32318, 37855, 38324, 47905, 64636, 75710, 80795, 83281, 95810, 98423, 151420, 161590, 166562, 191620, 196846, 323180, 333124, 393692, 416405, 492115, 832810, 984230, 1082653, 1665620, 1968460, 2165306, 4330612, 5413265, 10826530, 21653060]

約数ペア:

[(1, 21653060), (2, 10826530), (4, 5413265), (5, 4330612), (10, 2165306), (11, 1968460), (13, 1665620), (20, 1082653), (22, 984230), (26, 832810), (44, 492115), (52, 416405), (55, 393692), (65, 333124), (67, 323180), (110, 196846), (113, 191620), (130, 166562), (134, 161590), (143, 151420), (220, 98423), (226, 95810), (260, 83281), (268, 80795), (286, 75710), (335, 64636), (452, 47905), (565, 38324), (572, 37855), (670, 32318), (715, 30284), (737, 29380), (871, 24860), (1130, 19162), (1243, 17420), (1340, 16159), (1430, 15142), (1469, 14740), (1474, 14690), (1742, 12430), (2260, 9581), (2486, 8710), (2860, 7571), (2938, 7370), (2948, 7345), (3484, 6215), (3685, 5876), (4355, 4972)]