21783930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 128

約数和(自身を含む): 63936000

約数和(自身を除く): 42152070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 73, 87, 98, 105, 145, 146, 147, 174, 203, 210, 219, 245, 290, 294, 343, 365, 406, 435, 438, 490, 511, 609, 686, 730, 735, 870, 1015, 1022, 1029, 1095, 1218, 1421, 1470, 1533, 1715, 2030, 2058, 2117, 2190, 2555, 2842, 3045, 3066, 3430, 3577, 4234, 4263, 5110, 5145, 6090, 6351, 7105, 7154, 7665, 8526, 9947, 10290, 10585, 10731, 12702, 14210, 14819, 15330, 17885, 19894, 21170, 21315, 21462, 25039, 29638, 29841, 31755, 35770, 42630, 44457, 49735, 50078, 53655, 59682, 63510, 74095, 75117, 88914, 99470, 103733, 107310, 125195, 148190, 149205, 150234, 207466, 222285, 250390, 298410, 311199, 375585, 444570, 518665, 622398, 726131, 751170, 1037330, 1452262, 1555995, 2178393, 3111990, 3630655, 4356786, 7261310, 10891965, 21783930]

約数ペア:

[(1, 21783930), (2, 10891965), (3, 7261310), (5, 4356786), (6, 3630655), (7, 3111990), (10, 2178393), (14, 1555995), (15, 1452262), (21, 1037330), (29, 751170), (30, 726131), (35, 622398), (42, 518665), (49, 444570), (58, 375585), (70, 311199), (73, 298410), (87, 250390), (98, 222285), (105, 207466), (145, 150234), (146, 149205), (147, 148190), (174, 125195), (203, 107310), (210, 103733), (219, 99470), (245, 88914), (290, 75117), (294, 74095), (343, 63510), (365, 59682), (406, 53655), (435, 50078), (438, 49735), (490, 44457), (511, 42630), (609, 35770), (686, 31755), (730, 29841), (735, 29638), (870, 25039), (1015, 21462), (1022, 21315), (1029, 21170), (1095, 19894), (1218, 17885), (1421, 15330), (1470, 14819), (1533, 14210), (1715, 12702), (2030, 10731), (2058, 10585), (2117, 10290), (2190, 9947), (2555, 8526), (2842, 7665), (3045, 7154), (3066, 7105), (3430, 6351), (3577, 6090), (4234, 5145), (4263, 5110)]