21031164

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 68979456

約数和(自身を除く): 47948292

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 281, 297, 308, 324, 378, 396, 462, 486, 562, 567, 594, 693, 756, 843, 891, 924, 972, 1124, 1134, 1188, 1386, 1686, 1701, 1782, 1967, 2079, 2268, 2529, 2673, 2772, 3091, 3372, 3402, 3564, 3934, 4158, 5058, 5346, 5901, 6182, 6237, 6804, 7587, 7868, 8316, 9273, 10116, 10692, 11802, 12364, 12474, 15174, 17703, 18546, 18711, 21637, 22761, 23604, 24948, 27819, 30348, 35406, 37092, 37422, 43274, 45522, 53109, 55638, 64911, 68283, 70812, 74844, 83457, 86548, 91044, 106218, 111276, 129822, 136566, 159327, 166914, 194733, 212436, 250371, 259644, 273132, 318654, 333828, 389466, 477981, 500742, 584199, 637308, 751113, 778932, 955962, 1001484, 1168398, 1502226, 1752597, 1911924, 2336796, 3004452, 3505194, 5257791, 7010388, 10515582, 21031164]

約数ペア:

[(1, 21031164), (2, 10515582), (3, 7010388), (4, 5257791), (6, 3505194), (7, 3004452), (9, 2336796), (11, 1911924), (12, 1752597), (14, 1502226), (18, 1168398), (21, 1001484), (22, 955962), (27, 778932), (28, 751113), (33, 637308), (36, 584199), (42, 500742), (44, 477981), (54, 389466), (63, 333828), (66, 318654), (77, 273132), (81, 259644), (84, 250371), (99, 212436), (108, 194733), (126, 166914), (132, 159327), (154, 136566), (162, 129822), (189, 111276), (198, 106218), (231, 91044), (243, 86548), (252, 83457), (281, 74844), (297, 70812), (308, 68283), (324, 64911), (378, 55638), (396, 53109), (462, 45522), (486, 43274), (562, 37422), (567, 37092), (594, 35406), (693, 30348), (756, 27819), (843, 24948), (891, 23604), (924, 22761), (972, 21637), (1124, 18711), (1134, 18546), (1188, 17703), (1386, 15174), (1686, 12474), (1701, 12364), (1782, 11802), (1967, 10692), (2079, 10116), (2268, 9273), (2529, 8316), (2673, 7868), (2772, 7587), (3091, 6804), (3372, 6237), (3402, 6182), (3564, 5901), (3934, 5346), (4158, 5058)]