21122904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 41085096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 31, 33, 44, 58, 62, 66, 87, 88, 89, 93, 116, 124, 132, 174, 178, 186, 232, 248, 264, 267, 319, 341, 348, 356, 372, 534, 638, 682, 696, 712, 744, 899, 957, 979, 1023, 1068, 1276, 1364, 1798, 1914, 1958, 2046, 2136, 2552, 2581, 2697, 2728, 2759, 2937, 3596, 3828, 3916, 4092, 5162, 5394, 5518, 5874, 7192, 7656, 7743, 7832, 8184, 8277, 9889, 10324, 10788, 11036, 11748, 15486, 16554, 19778, 20648, 21576, 22072, 23496, 28391, 29667, 30349, 30972, 33108, 39556, 56782, 59334, 60698, 61944, 66216, 79112, 80011, 85173, 91047, 113564, 118668, 121396, 160022, 170346, 182094, 227128, 237336, 240033, 242792, 320044, 340692, 364188, 480066, 640088, 681384, 728376, 880121, 960132, 1760242, 1920264, 2640363, 3520484, 5280726, 7040968, 10561452, 21122904]

約数ペア:

[(1, 21122904), (2, 10561452), (3, 7040968), (4, 5280726), (6, 3520484), (8, 2640363), (11, 1920264), (12, 1760242), (22, 960132), (24, 880121), (29, 728376), (31, 681384), (33, 640088), (44, 480066), (58, 364188), (62, 340692), (66, 320044), (87, 242792), (88, 240033), (89, 237336), (93, 227128), (116, 182094), (124, 170346), (132, 160022), (174, 121396), (178, 118668), (186, 113564), (232, 91047), (248, 85173), (264, 80011), (267, 79112), (319, 66216), (341, 61944), (348, 60698), (356, 59334), (372, 56782), (534, 39556), (638, 33108), (682, 30972), (696, 30349), (712, 29667), (744, 28391), (899, 23496), (957, 22072), (979, 21576), (1023, 20648), (1068, 19778), (1276, 16554), (1364, 15486), (1798, 11748), (1914, 11036), (1958, 10788), (2046, 10324), (2136, 9889), (2552, 8277), (2581, 8184), (2697, 7832), (2728, 7743), (2759, 7656), (2937, 7192), (3596, 5874), (3828, 5518), (3916, 5394), (4092, 5162)]