21928284

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:456

約数の個数: 108

約数和(自身を含む): 66725568

約数和(自身を除く): 44797284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 49, 62, 63, 84, 93, 98, 124, 126, 147, 186, 196, 217, 252, 279, 294, 372, 401, 434, 441, 558, 588, 651, 802, 868, 882, 1116, 1203, 1302, 1519, 1604, 1764, 1953, 2406, 2604, 2807, 3038, 3609, 3906, 4557, 4812, 5614, 6076, 7218, 7812, 8421, 9114, 11228, 12431, 13671, 14436, 16842, 18228, 19649, 24862, 25263, 27342, 33684, 37293, 39298, 49724, 50526, 54684, 58947, 74586, 78596, 87017, 101052, 111879, 117894, 149172, 174034, 176841, 223758, 235788, 261051, 348068, 353682, 447516, 522102, 609119, 707364, 783153, 1044204, 1218238, 1566306, 1827357, 2436476, 3132612, 3654714, 5482071, 7309428, 10964142, 21928284]

約数ペア:

[(1, 21928284), (2, 10964142), (3, 7309428), (4, 5482071), (6, 3654714), (7, 3132612), (9, 2436476), (12, 1827357), (14, 1566306), (18, 1218238), (21, 1044204), (28, 783153), (31, 707364), (36, 609119), (42, 522102), (49, 447516), (62, 353682), (63, 348068), (84, 261051), (93, 235788), (98, 223758), (124, 176841), (126, 174034), (147, 149172), (186, 117894), (196, 111879), (217, 101052), (252, 87017), (279, 78596), (294, 74586), (372, 58947), (401, 54684), (434, 50526), (441, 49724), (558, 39298), (588, 37293), (651, 33684), (802, 27342), (868, 25263), (882, 24862), (1116, 19649), (1203, 18228), (1302, 16842), (1519, 14436), (1604, 13671), (1764, 12431), (1953, 11228), (2406, 9114), (2604, 8421), (2807, 7812), (3038, 7218), (3609, 6076), (3906, 5614), (4557, 4812)]