21841848

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 70958160

約数和(自身を除く): 49116312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 151, 164, 168, 196, 246, 252, 287, 294, 302, 328, 369, 392, 441, 453, 492, 504, 574, 588, 604, 738, 861, 882, 906, 984, 1057, 1148, 1176, 1208, 1359, 1476, 1722, 1764, 1812, 2009, 2114, 2296, 2583, 2718, 2952, 3171, 3444, 3528, 3624, 4018, 4228, 5166, 5436, 6027, 6191, 6342, 6888, 7399, 8036, 8456, 9513, 10332, 10872, 12054, 12382, 12684, 14798, 16072, 18081, 18573, 19026, 20664, 22197, 24108, 24764, 25368, 29596, 36162, 37146, 38052, 43337, 44394, 48216, 49528, 55719, 59192, 66591, 72324, 74292, 76104, 86674, 88788, 111438, 130011, 133182, 144648, 148584, 173348, 177576, 222876, 260022, 266364, 303359, 346696, 390033, 445752, 520044, 532728, 606718, 780066, 910077, 1040088, 1213436, 1560132, 1820154, 2426872, 2730231, 3120264, 3640308, 5460462, 7280616, 10920924, 21841848]

約数ペア:

[(1, 21841848), (2, 10920924), (3, 7280616), (4, 5460462), (6, 3640308), (7, 3120264), (8, 2730231), (9, 2426872), (12, 1820154), (14, 1560132), (18, 1213436), (21, 1040088), (24, 910077), (28, 780066), (36, 606718), (41, 532728), (42, 520044), (49, 445752), (56, 390033), (63, 346696), (72, 303359), (82, 266364), (84, 260022), (98, 222876), (123, 177576), (126, 173348), (147, 148584), (151, 144648), (164, 133182), (168, 130011), (196, 111438), (246, 88788), (252, 86674), (287, 76104), (294, 74292), (302, 72324), (328, 66591), (369, 59192), (392, 55719), (441, 49528), (453, 48216), (492, 44394), (504, 43337), (574, 38052), (588, 37146), (604, 36162), (738, 29596), (861, 25368), (882, 24764), (906, 24108), (984, 22197), (1057, 20664), (1148, 19026), (1176, 18573), (1208, 18081), (1359, 16072), (1476, 14798), (1722, 12684), (1764, 12382), (1812, 12054), (2009, 10872), (2114, 10332), (2296, 9513), (2583, 8456), (2718, 8036), (2952, 7399), (3171, 6888), (3444, 6342), (3528, 6191), (3624, 6027), (4018, 5436), (4228, 5166)]