21167473740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{761}}^1\times {\mathrm{9461}}^1$

素因数の和:10248

約数の個数: 144

約数和(自身を含む): 69043381344

約数和(自身を除く): 47875907604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 761, 980, 1470, 1522, 2283, 2940, 3044, 3805, 4566, 5327, 7610, 9132, 9461, 10654, 11415, 15220, 15981, 18922, 21308, 22830, 26635, 28383, 31962, 37289, 37844, 45660, 47305, 53270, 56766, 63924, 66227, 74578, 79905, 94610, 106540, 111867, 113532, 132454, 141915, 149156, 159810, 186445, 189220, 198681, 223734, 264908, 283830, 319620, 331135, 372890, 397362, 447468, 463589, 559335, 567660, 662270, 745780, 794724, 927178, 993405, 1118670, 1324540, 1390767, 1854356, 1986810, 2237340, 2317945, 2781534, 3973620, 4635890, 5563068, 6953835, 7199821, 9271780, 13907670, 14399642, 21599463, 27815340, 28799284, 35999105, 43198926, 50398747, 71998210, 86397852, 100797494, 107997315, 143996420, 151196241, 201594988, 215994630, 251993735, 302392482, 352791229, 431989260, 503987470, 604784964, 705582458, 755981205, 1007974940, 1058373687, 1411164916, 1511962410, 1763956145, 2116747374, 3023924820, 3527912290, 4233494748, 5291868435, 7055824580, 10583736870, 21167473740]

約数ペア:

[(1, 21167473740), (2, 10583736870), (3, 7055824580), (4, 5291868435), (5, 4233494748), (6, 3527912290), (7, 3023924820), (10, 2116747374), (12, 1763956145), (14, 1511962410), (15, 1411164916), (20, 1058373687), (21, 1007974940), (28, 755981205), (30, 705582458), (35, 604784964), (42, 503987470), (49, 431989260), (60, 352791229), (70, 302392482), (84, 251993735), (98, 215994630), (105, 201594988), (140, 151196241), (147, 143996420), (196, 107997315), (210, 100797494), (245, 86397852), (294, 71998210), (420, 50398747), (490, 43198926), (588, 35999105), (735, 28799284), (761, 27815340), (980, 21599463), (1470, 14399642), (1522, 13907670), (2283, 9271780), (2940, 7199821), (3044, 6953835), (3805, 5563068), (4566, 4635890), (5327, 3973620), (7610, 2781534), (9132, 2317945), (9461, 2237340), (10654, 1986810), (11415, 1854356), (15220, 1390767), (15981, 1324540), (18922, 1118670), (21308, 993405), (22830, 927178), (26635, 794724), (28383, 745780), (31962, 662270), (37289, 567660), (37844, 559335), (45660, 463589), (47305, 447468), (53270, 397362), (56766, 372890), (63924, 331135), (66227, 319620), (74578, 283830), (79905, 264908), (94610, 223734), (106540, 198681), (111867, 189220), (113532, 186445), (132454, 159810), (141915, 149156)]