21870294579

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{673}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 38719908864

約数和(自身を除く): 16849614285

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 369, 483, 547, 673, 861, 943, 1449, 1641, 2019, 2583, 2829, 3829, 4711, 4923, 6057, 6601, 8487, 11487, 12581, 14133, 15479, 19803, 22427, 27593, 34461, 37743, 42399, 46437, 59409, 67281, 82779, 88067, 108353, 113229, 139311, 156989, 193151, 201843, 248337, 264201, 325059, 368131, 470967, 515821, 579453, 634639, 792603, 975177, 1104393, 1412901, 1547463, 1738359, 1903917, 2576917, 3313179, 3610747, 4442473, 4642389, 5711751, 7730751, 8467013, 10832241, 13327419, 15093371, 23192253, 25401039, 32496723, 39982257, 45280113, 59269091, 76203117, 105653597, 135840339, 177807273, 316960791, 347147533, 533421819, 950882373, 1041442599, 2430032731, 3124327797, 7290098193, 21870294579]

約数ペア:

[(1, 21870294579), (3, 7290098193), (7, 3124327797), (9, 2430032731), (21, 1041442599), (23, 950882373), (41, 533421819), (63, 347147533), (69, 316960791), (123, 177807273), (161, 135840339), (207, 105653597), (287, 76203117), (369, 59269091), (483, 45280113), (547, 39982257), (673, 32496723), (861, 25401039), (943, 23192253), (1449, 15093371), (1641, 13327419), (2019, 10832241), (2583, 8467013), (2829, 7730751), (3829, 5711751), (4711, 4642389), (4923, 4442473), (6057, 3610747), (6601, 3313179), (8487, 2576917), (11487, 1903917), (12581, 1738359), (14133, 1547463), (15479, 1412901), (19803, 1104393), (22427, 975177), (27593, 792603), (34461, 634639), (37743, 579453), (42399, 515821), (46437, 470967), (59409, 368131), (67281, 325059), (82779, 264201), (88067, 248337), (108353, 201843), (113229, 193151), (139311, 156989)]