21913740

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{167}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 69438096

約数和(自身を除く): 47524356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 167, 180, 243, 270, 324, 334, 405, 486, 501, 540, 668, 729, 810, 835, 972, 1002, 1215, 1458, 1503, 1620, 1670, 2004, 2187, 2430, 2505, 2916, 3006, 3340, 3645, 4374, 4509, 4860, 5010, 6012, 6561, 7290, 7515, 8748, 9018, 10020, 10935, 13122, 13527, 14580, 15030, 18036, 21870, 22545, 26244, 27054, 30060, 32805, 40581, 43740, 45090, 54108, 65610, 67635, 81162, 90180, 121743, 131220, 135270, 162324, 202905, 243486, 270540, 365229, 405810, 486972, 608715, 730458, 811620, 1095687, 1217430, 1460916, 1826145, 2191374, 2434860, 3652290, 4382748, 5478435, 7304580, 10956870, 21913740]

約数ペア:

[(1, 21913740), (2, 10956870), (3, 7304580), (4, 5478435), (5, 4382748), (6, 3652290), (9, 2434860), (10, 2191374), (12, 1826145), (15, 1460916), (18, 1217430), (20, 1095687), (27, 811620), (30, 730458), (36, 608715), (45, 486972), (54, 405810), (60, 365229), (81, 270540), (90, 243486), (108, 202905), (135, 162324), (162, 135270), (167, 131220), (180, 121743), (243, 90180), (270, 81162), (324, 67635), (334, 65610), (405, 54108), (486, 45090), (501, 43740), (540, 40581), (668, 32805), (729, 30060), (810, 27054), (835, 26244), (972, 22545), (1002, 21870), (1215, 18036), (1458, 15030), (1503, 14580), (1620, 13527), (1670, 13122), (2004, 10935), (2187, 10020), (2430, 9018), (2505, 8748), (2916, 7515), (3006, 7290), (3340, 6561), (3645, 6012), (4374, 5010), (4509, 4860)]