21102536

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 51279480

約数和(自身を除く): 30176944

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 49, 52, 56, 82, 91, 98, 101, 104, 164, 182, 196, 202, 287, 328, 364, 392, 404, 533, 574, 637, 707, 728, 808, 1066, 1148, 1274, 1313, 1414, 2009, 2132, 2296, 2548, 2626, 2828, 3731, 4018, 4141, 4264, 4949, 5096, 5252, 5656, 7462, 8036, 8282, 9191, 9898, 10504, 14924, 16072, 16564, 18382, 19796, 26117, 28987, 29848, 33128, 36764, 39592, 52234, 53833, 57974, 64337, 73528, 104468, 107666, 115948, 128674, 202909, 208936, 215332, 231896, 257348, 376831, 405818, 430664, 514696, 753662, 811636, 1507324, 1623272, 2637817, 3014648, 5275634, 10551268, 21102536]

約数ペア:

[(1, 21102536), (2, 10551268), (4, 5275634), (7, 3014648), (8, 2637817), (13, 1623272), (14, 1507324), (26, 811636), (28, 753662), (41, 514696), (49, 430664), (52, 405818), (56, 376831), (82, 257348), (91, 231896), (98, 215332), (101, 208936), (104, 202909), (164, 128674), (182, 115948), (196, 107666), (202, 104468), (287, 73528), (328, 64337), (364, 57974), (392, 53833), (404, 52234), (533, 39592), (574, 36764), (637, 33128), (707, 29848), (728, 28987), (808, 26117), (1066, 19796), (1148, 18382), (1274, 16564), (1313, 16072), (1414, 14924), (2009, 10504), (2132, 9898), (2296, 9191), (2548, 8282), (2626, 8036), (2828, 7462), (3731, 5656), (4018, 5252), (4141, 5096), (4264, 4949)]