21392670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2929

約数の個数: 64

約数和(自身を含む): 58222080

約数和(自身を除く): 36829410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2887, 3705, 5774, 7410, 8661, 14435, 17322, 28870, 37531, 43305, 54853, 75062, 86610, 109706, 112593, 164559, 187655, 225186, 274265, 329118, 375310, 548530, 562965, 713089, 822795, 1125930, 1426178, 1645590, 2139267, 3565445, 4278534, 7130890, 10696335, 21392670]

約数ペア:

[(1, 21392670), (2, 10696335), (3, 7130890), (5, 4278534), (6, 3565445), (10, 2139267), (13, 1645590), (15, 1426178), (19, 1125930), (26, 822795), (30, 713089), (38, 562965), (39, 548530), (57, 375310), (65, 329118), (78, 274265), (95, 225186), (114, 187655), (130, 164559), (190, 112593), (195, 109706), (247, 86610), (285, 75062), (390, 54853), (494, 43305), (570, 37531), (741, 28870), (1235, 17322), (1482, 14435), (2470, 8661), (2887, 7410), (3705, 5774)]