20921168898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{49081}}^1$

素因数の和:49312

約数の個数: 96

約数和(自身を含む): 55128902400

約数和(自身を除く): 34207733502

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 199, 238, 306, 357, 398, 597, 714, 1071, 1194, 1393, 1791, 2142, 2786, 3383, 3582, 4179, 6766, 8358, 10149, 12537, 20298, 23681, 25074, 30447, 47362, 49081, 60894, 71043, 98162, 142086, 147243, 213129, 294486, 343567, 426258, 441729, 687134, 834377, 883458, 1030701, 1668754, 2061402, 2503131, 3092103, 5006262, 5840639, 6184206, 7509393, 9767119, 11681278, 15018786, 17521917, 19534238, 29301357, 35043834, 52565751, 58602714, 68369833, 87904071, 105131502, 136739666, 166041023, 175808142, 205109499, 332082046, 410218998, 498123069, 615328497, 996246138, 1162287161, 1230656994, 1494369207, 2324574322, 2988738414, 3486861483, 6973722966, 10460584449, 20921168898]

約数ペア:

[(1, 20921168898), (2, 10460584449), (3, 6973722966), (6, 3486861483), (7, 2988738414), (9, 2324574322), (14, 1494369207), (17, 1230656994), (18, 1162287161), (21, 996246138), (34, 615328497), (42, 498123069), (51, 410218998), (63, 332082046), (102, 205109499), (119, 175808142), (126, 166041023), (153, 136739666), (199, 105131502), (238, 87904071), (306, 68369833), (357, 58602714), (398, 52565751), (597, 35043834), (714, 29301357), (1071, 19534238), (1194, 17521917), (1393, 15018786), (1791, 11681278), (2142, 9767119), (2786, 7509393), (3383, 6184206), (3582, 5840639), (4179, 5006262), (6766, 3092103), (8358, 2503131), (10149, 2061402), (12537, 1668754), (20298, 1030701), (23681, 883458), (25074, 834377), (30447, 687134), (47362, 441729), (49081, 426258), (60894, 343567), (71043, 294486), (98162, 213129), (142086, 147243)]