21914172

素因数分解:

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

素因数の和:169

約数の個数: 144

約数和(自身を含む): 68372640

約数和(自身を除く): 46458468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 49, 54, 63, 82, 84, 98, 101, 108, 123, 126, 147, 164, 189, 196, 202, 246, 252, 287, 294, 303, 369, 378, 404, 441, 492, 574, 588, 606, 707, 738, 756, 861, 882, 909, 1107, 1148, 1212, 1323, 1414, 1476, 1722, 1764, 1818, 2009, 2121, 2214, 2583, 2646, 2727, 2828, 3444, 3636, 4018, 4141, 4242, 4428, 4949, 5166, 5292, 5454, 6027, 6363, 7749, 8036, 8282, 8484, 9898, 10332, 10908, 12054, 12423, 12726, 14847, 15498, 16564, 18081, 19089, 19796, 24108, 24846, 25452, 28987, 29694, 30996, 36162, 37269, 38178, 44541, 49692, 54243, 57974, 59388, 72324, 74538, 76356, 86961, 89082, 108486, 111807, 115948, 133623, 149076, 173922, 178164, 202909, 216972, 223614, 260883, 267246, 347844, 405818, 447228, 521766, 534492, 608727, 782649, 811636, 1043532, 1217454, 1565298, 1826181, 2434908, 3130596, 3652362, 5478543, 7304724, 10957086, 21914172]

約数ペア:

[(1, 21914172), (2, 10957086), (3, 7304724), (4, 5478543), (6, 3652362), (7, 3130596), (9, 2434908), (12, 1826181), (14, 1565298), (18, 1217454), (21, 1043532), (27, 811636), (28, 782649), (36, 608727), (41, 534492), (42, 521766), (49, 447228), (54, 405818), (63, 347844), (82, 267246), (84, 260883), (98, 223614), (101, 216972), (108, 202909), (123, 178164), (126, 173922), (147, 149076), (164, 133623), (189, 115948), (196, 111807), (202, 108486), (246, 89082), (252, 86961), (287, 76356), (294, 74538), (303, 72324), (369, 59388), (378, 57974), (404, 54243), (441, 49692), (492, 44541), (574, 38178), (588, 37269), (606, 36162), (707, 30996), (738, 29694), (756, 28987), (861, 25452), (882, 24846), (909, 24108), (1107, 19796), (1148, 19089), (1212, 18081), (1323, 16564), (1414, 15498), (1476, 14847), (1722, 12726), (1764, 12423), (1818, 12054), (2009, 10908), (2121, 10332), (2214, 9898), (2583, 8484), (2646, 8282), (2727, 8036), (2828, 7749), (3444, 6363), (3636, 6027), (4018, 5454), (4141, 5292), (4242, 5166), (4428, 4949)]