21989167986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1536

約数の個数: 96

約数和(自身を含む): 47807376768

約数和(自身を除く): 25818208782

約数列:

[1, 2, 3, 6, 23, 46, 47, 53, 69, 94, 106, 138, 141, 159, 282, 318, 1081, 1219, 1361, 2162, 2209, 2438, 2491, 2722, 3243, 3657, 4083, 4418, 4982, 6486, 6627, 7314, 7473, 8166, 13254, 14946, 31303, 50807, 57293, 62606, 63967, 72133, 93909, 101614, 114586, 117077, 127934, 144266, 152421, 171879, 187818, 191901, 216399, 234154, 304842, 343758, 351231, 383802, 432798, 702462, 1471241, 1659059, 2692771, 2942482, 3006449, 3318118, 3390251, 4413723, 4977177, 5385542, 6012898, 6780502, 8078313, 8827446, 9019347, 9954354, 10170753, 16156626, 18038694, 20341506, 69148327, 77975773, 138296654, 155951546, 159341797, 207444981, 233927319, 318683594, 414889962, 467854638, 478025391, 956050782, 3664861331, 7329722662, 10994583993, 21989167986]

約数ペア:

[(1, 21989167986), (2, 10994583993), (3, 7329722662), (6, 3664861331), (23, 956050782), (46, 478025391), (47, 467854638), (53, 414889962), (69, 318683594), (94, 233927319), (106, 207444981), (138, 159341797), (141, 155951546), (159, 138296654), (282, 77975773), (318, 69148327), (1081, 20341506), (1219, 18038694), (1361, 16156626), (2162, 10170753), (2209, 9954354), (2438, 9019347), (2491, 8827446), (2722, 8078313), (3243, 6780502), (3657, 6012898), (4083, 5385542), (4418, 4977177), (4982, 4413723), (6486, 3390251), (6627, 3318118), (7314, 3006449), (7473, 2942482), (8166, 2692771), (13254, 1659059), (14946, 1471241), (31303, 702462), (50807, 432798), (57293, 383802), (62606, 351231), (63967, 343758), (72133, 304842), (93909, 234154), (101614, 216399), (114586, 191901), (117077, 187818), (127934, 171879), (144266, 152421)]