21551027316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{39709}}^1$

素因数の和:39814

約数の個数: 144

約数和(自身を含む): 63884177280

約数和(自身を除く): 42333149964

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 71, 78, 84, 91, 98, 142, 147, 156, 182, 196, 213, 273, 284, 294, 364, 426, 497, 546, 588, 637, 852, 923, 994, 1092, 1274, 1491, 1846, 1911, 1988, 2548, 2769, 2982, 3479, 3692, 3822, 5538, 5964, 6461, 6958, 7644, 10437, 11076, 12922, 13916, 19383, 20874, 25844, 38766, 39709, 41748, 45227, 77532, 79418, 90454, 119127, 135681, 158836, 180908, 238254, 271362, 277963, 476508, 516217, 542724, 555926, 833889, 1032434, 1111852, 1548651, 1667778, 1945741, 2064868, 2819339, 3097302, 3335556, 3613519, 3891482, 5638678, 5837223, 6194604, 7227038, 7782964, 8458017, 10840557, 11277356, 11674446, 14454076, 16916034, 19735373, 21681114, 23348892, 25294633, 33832068, 36651407, 39470746, 43362228, 50589266, 59206119, 73302814, 75883899, 78941492, 101178532, 109954221, 118412238, 138147611, 146605628, 151767798, 219908442, 236824476, 256559849, 276295222, 303535596, 414442833, 439816884, 513119698, 552590444, 769679547, 828885666, 1026239396, 1539359094, 1657771332, 1795918943, 3078718188, 3591837886, 5387756829, 7183675772, 10775513658, 21551027316]

約数ペア:

[(1, 21551027316), (2, 10775513658), (3, 7183675772), (4, 5387756829), (6, 3591837886), (7, 3078718188), (12, 1795918943), (13, 1657771332), (14, 1539359094), (21, 1026239396), (26, 828885666), (28, 769679547), (39, 552590444), (42, 513119698), (49, 439816884), (52, 414442833), (71, 303535596), (78, 276295222), (84, 256559849), (91, 236824476), (98, 219908442), (142, 151767798), (147, 146605628), (156, 138147611), (182, 118412238), (196, 109954221), (213, 101178532), (273, 78941492), (284, 75883899), (294, 73302814), (364, 59206119), (426, 50589266), (497, 43362228), (546, 39470746), (588, 36651407), (637, 33832068), (852, 25294633), (923, 23348892), (994, 21681114), (1092, 19735373), (1274, 16916034), (1491, 14454076), (1846, 11674446), (1911, 11277356), (1988, 10840557), (2548, 8458017), (2769, 7782964), (2982, 7227038), (3479, 6194604), (3692, 5837223), (3822, 5638678), (5538, 3891482), (5964, 3613519), (6461, 3335556), (6958, 3097302), (7644, 2819339), (10437, 2064868), (11076, 1945741), (12922, 1667778), (13916, 1548651), (19383, 1111852), (20874, 1032434), (25844, 833889), (38766, 555926), (39709, 542724), (41748, 516217), (45227, 476508), (77532, 277963), (79418, 271362), (90454, 238254), (119127, 180908), (135681, 158836)]