21126252

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 63329280

約数和(自身を除く): 42203028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 61, 62, 76, 84, 93, 98, 114, 122, 124, 133, 147, 183, 186, 196, 217, 228, 244, 266, 294, 366, 372, 399, 427, 434, 532, 588, 589, 651, 732, 798, 854, 868, 931, 1159, 1178, 1281, 1302, 1519, 1596, 1708, 1767, 1862, 1891, 2318, 2356, 2562, 2604, 2793, 2989, 3038, 3477, 3534, 3724, 3782, 4123, 4557, 4636, 5124, 5586, 5673, 5978, 6076, 6954, 7068, 7564, 8113, 8246, 8967, 9114, 11172, 11346, 11956, 12369, 13237, 13908, 16226, 16492, 17934, 18228, 22692, 24339, 24738, 26474, 28861, 32452, 35868, 35929, 39711, 48678, 49476, 52948, 56791, 57722, 71858, 79422, 86583, 92659, 97356, 107787, 113582, 115444, 143716, 158844, 170373, 173166, 185318, 215574, 227164, 251503, 277977, 340746, 346332, 370636, 431148, 503006, 555954, 681492, 754509, 1006012, 1111908, 1509018, 1760521, 3018036, 3521042, 5281563, 7042084, 10563126, 21126252]

約数ペア:

[(1, 21126252), (2, 10563126), (3, 7042084), (4, 5281563), (6, 3521042), (7, 3018036), (12, 1760521), (14, 1509018), (19, 1111908), (21, 1006012), (28, 754509), (31, 681492), (38, 555954), (42, 503006), (49, 431148), (57, 370636), (61, 346332), (62, 340746), (76, 277977), (84, 251503), (93, 227164), (98, 215574), (114, 185318), (122, 173166), (124, 170373), (133, 158844), (147, 143716), (183, 115444), (186, 113582), (196, 107787), (217, 97356), (228, 92659), (244, 86583), (266, 79422), (294, 71858), (366, 57722), (372, 56791), (399, 52948), (427, 49476), (434, 48678), (532, 39711), (588, 35929), (589, 35868), (651, 32452), (732, 28861), (798, 26474), (854, 24738), (868, 24339), (931, 22692), (1159, 18228), (1178, 17934), (1281, 16492), (1302, 16226), (1519, 13908), (1596, 13237), (1708, 12369), (1767, 11956), (1862, 11346), (1891, 11172), (2318, 9114), (2356, 8967), (2562, 8246), (2604, 8113), (2793, 7564), (2989, 7068), (3038, 6954), (3477, 6076), (3534, 5978), (3724, 5673), (3782, 5586), (4123, 5124), (4557, 4636)]