21986202

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 55847232

約数和(自身を除く): 33861030

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 53, 83, 98, 102, 106, 119, 147, 159, 166, 238, 249, 294, 318, 357, 371, 498, 581, 714, 742, 833, 901, 1113, 1162, 1411, 1666, 1743, 1802, 2226, 2499, 2597, 2703, 2822, 3486, 4067, 4233, 4399, 4998, 5194, 5406, 6307, 7791, 8134, 8466, 8798, 9877, 12201, 12614, 13197, 15582, 18921, 19754, 24402, 26394, 29631, 30793, 37842, 44149, 59262, 61586, 69139, 74783, 88298, 92379, 132447, 138278, 149566, 184758, 207417, 215551, 224349, 264894, 414834, 431102, 448698, 523481, 646653, 1046962, 1293306, 1570443, 3140886, 3664367, 7328734, 10993101, 21986202]

約数ペア:

[(1, 21986202), (2, 10993101), (3, 7328734), (6, 3664367), (7, 3140886), (14, 1570443), (17, 1293306), (21, 1046962), (34, 646653), (42, 523481), (49, 448698), (51, 431102), (53, 414834), (83, 264894), (98, 224349), (102, 215551), (106, 207417), (119, 184758), (147, 149566), (159, 138278), (166, 132447), (238, 92379), (249, 88298), (294, 74783), (318, 69139), (357, 61586), (371, 59262), (498, 44149), (581, 37842), (714, 30793), (742, 29631), (833, 26394), (901, 24402), (1113, 19754), (1162, 18921), (1411, 15582), (1666, 13197), (1743, 12614), (1802, 12201), (2226, 9877), (2499, 8798), (2597, 8466), (2703, 8134), (2822, 7791), (3486, 6307), (4067, 5406), (4233, 5194), (4399, 4998)]