21950808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 65214720

約数和(自身を除く): 43263912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 67, 68, 73, 88, 102, 132, 134, 136, 146, 187, 201, 204, 219, 264, 268, 292, 374, 402, 408, 438, 536, 561, 584, 737, 748, 803, 804, 876, 1122, 1139, 1241, 1474, 1496, 1606, 1608, 1752, 2211, 2244, 2278, 2409, 2482, 2948, 3212, 3417, 3723, 4422, 4488, 4556, 4818, 4891, 4964, 5896, 6424, 6834, 7446, 8844, 9112, 9636, 9782, 9928, 12529, 13651, 13668, 14673, 14892, 17688, 19272, 19564, 25058, 27302, 27336, 29346, 29784, 37587, 39128, 40953, 50116, 53801, 54604, 58692, 75174, 81906, 83147, 100232, 107602, 109208, 117384, 150348, 161403, 163812, 166294, 215204, 249441, 300696, 322806, 327624, 332588, 430408, 498882, 645612, 665176, 914617, 997764, 1291224, 1829234, 1995528, 2743851, 3658468, 5487702, 7316936, 10975404, 21950808]

約数ペア:

[(1, 21950808), (2, 10975404), (3, 7316936), (4, 5487702), (6, 3658468), (8, 2743851), (11, 1995528), (12, 1829234), (17, 1291224), (22, 997764), (24, 914617), (33, 665176), (34, 645612), (44, 498882), (51, 430408), (66, 332588), (67, 327624), (68, 322806), (73, 300696), (88, 249441), (102, 215204), (132, 166294), (134, 163812), (136, 161403), (146, 150348), (187, 117384), (201, 109208), (204, 107602), (219, 100232), (264, 83147), (268, 81906), (292, 75174), (374, 58692), (402, 54604), (408, 53801), (438, 50116), (536, 40953), (561, 39128), (584, 37587), (737, 29784), (748, 29346), (803, 27336), (804, 27302), (876, 25058), (1122, 19564), (1139, 19272), (1241, 17688), (1474, 14892), (1496, 14673), (1606, 13668), (1608, 13651), (1752, 12529), (2211, 9928), (2244, 9782), (2278, 9636), (2409, 9112), (2482, 8844), (2948, 7446), (3212, 6834), (3417, 6424), (3723, 5896), (4422, 4964), (4488, 4891), (4556, 4818)]