21691116

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 61595352

約数和(自身を除く): 39904236

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 67, 68, 69, 92, 102, 134, 138, 153, 201, 204, 207, 268, 276, 306, 391, 402, 414, 529, 603, 612, 782, 804, 828, 1058, 1139, 1173, 1206, 1541, 1564, 1587, 2116, 2278, 2346, 2412, 3082, 3174, 3417, 3519, 4556, 4623, 4692, 4761, 6164, 6348, 6834, 7038, 8993, 9246, 9522, 10251, 13668, 13869, 14076, 17986, 18492, 19044, 20502, 26197, 26979, 27738, 35443, 35972, 41004, 52394, 53958, 55476, 70886, 78591, 80937, 104788, 106329, 107916, 141772, 157182, 161874, 212658, 235773, 314364, 318987, 323748, 425316, 471546, 602531, 637974, 943092, 1205062, 1275948, 1807593, 2410124, 3615186, 5422779, 7230372, 10845558, 21691116]

約数ペア:

[(1, 21691116), (2, 10845558), (3, 7230372), (4, 5422779), (6, 3615186), (9, 2410124), (12, 1807593), (17, 1275948), (18, 1205062), (23, 943092), (34, 637974), (36, 602531), (46, 471546), (51, 425316), (67, 323748), (68, 318987), (69, 314364), (92, 235773), (102, 212658), (134, 161874), (138, 157182), (153, 141772), (201, 107916), (204, 106329), (207, 104788), (268, 80937), (276, 78591), (306, 70886), (391, 55476), (402, 53958), (414, 52394), (529, 41004), (603, 35972), (612, 35443), (782, 27738), (804, 26979), (828, 26197), (1058, 20502), (1139, 19044), (1173, 18492), (1206, 17986), (1541, 14076), (1564, 13869), (1587, 13668), (2116, 10251), (2278, 9522), (2346, 9246), (2412, 8993), (3082, 7038), (3174, 6834), (3417, 6348), (3519, 6164), (4556, 4761), (4623, 4692)]