21382452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 68245632

約数和(自身を除く): 46863180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 61, 63, 78, 84, 91, 107, 117, 122, 126, 156, 182, 183, 214, 234, 244, 252, 273, 321, 364, 366, 427, 428, 468, 546, 549, 642, 732, 749, 793, 819, 854, 963, 1092, 1098, 1281, 1284, 1391, 1498, 1586, 1638, 1708, 1926, 2196, 2247, 2379, 2562, 2782, 2996, 3172, 3276, 3843, 3852, 4173, 4494, 4758, 5124, 5551, 5564, 6527, 6741, 7137, 7686, 8346, 8988, 9516, 9737, 11102, 12519, 13054, 13482, 14274, 15372, 16653, 16692, 19474, 19581, 22204, 25038, 26108, 26964, 28548, 29211, 33306, 38948, 39162, 45689, 49959, 50076, 58422, 58743, 66612, 78324, 84851, 87633, 91378, 99918, 116844, 117486, 137067, 169702, 175266, 182756, 199836, 234972, 254553, 274134, 339404, 350532, 411201, 509106, 548268, 593957, 763659, 822402, 1018212, 1187914, 1527318, 1644804, 1781871, 2375828, 3054636, 3563742, 5345613, 7127484, 10691226, 21382452]

約数ペア:

[(1, 21382452), (2, 10691226), (3, 7127484), (4, 5345613), (6, 3563742), (7, 3054636), (9, 2375828), (12, 1781871), (13, 1644804), (14, 1527318), (18, 1187914), (21, 1018212), (26, 822402), (28, 763659), (36, 593957), (39, 548268), (42, 509106), (52, 411201), (61, 350532), (63, 339404), (78, 274134), (84, 254553), (91, 234972), (107, 199836), (117, 182756), (122, 175266), (126, 169702), (156, 137067), (182, 117486), (183, 116844), (214, 99918), (234, 91378), (244, 87633), (252, 84851), (273, 78324), (321, 66612), (364, 58743), (366, 58422), (427, 50076), (428, 49959), (468, 45689), (546, 39162), (549, 38948), (642, 33306), (732, 29211), (749, 28548), (793, 26964), (819, 26108), (854, 25038), (963, 22204), (1092, 19581), (1098, 19474), (1281, 16692), (1284, 16653), (1391, 15372), (1498, 14274), (1586, 13482), (1638, 13054), (1708, 12519), (1926, 11102), (2196, 9737), (2247, 9516), (2379, 8988), (2562, 8346), (2782, 7686), (2996, 7137), (3172, 6741), (3276, 6527), (3843, 5564), (3852, 5551), (4173, 5124), (4494, 4758)]