21149190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 60854976

約数和(自身を除く): 39705786

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 601, 690, 765, 782, 1035, 1173, 1202, 1530, 1803, 1955, 2070, 2346, 3005, 3519, 3606, 3910, 5409, 5865, 6010, 7038, 9015, 10217, 10818, 11730, 13823, 17595, 18030, 20434, 27045, 27646, 30651, 35190, 41469, 51085, 54090, 61302, 69115, 82938, 91953, 102170, 124407, 138230, 153255, 183906, 207345, 234991, 248814, 306510, 414690, 459765, 469982, 622035, 704973, 919530, 1174955, 1244070, 1409946, 2114919, 2349910, 3524865, 4229838, 7049730, 10574595, 21149190]

約数ペア:

[(1, 21149190), (2, 10574595), (3, 7049730), (5, 4229838), (6, 3524865), (9, 2349910), (10, 2114919), (15, 1409946), (17, 1244070), (18, 1174955), (23, 919530), (30, 704973), (34, 622035), (45, 469982), (46, 459765), (51, 414690), (69, 306510), (85, 248814), (90, 234991), (102, 207345), (115, 183906), (138, 153255), (153, 138230), (170, 124407), (207, 102170), (230, 91953), (255, 82938), (306, 69115), (345, 61302), (391, 54090), (414, 51085), (510, 41469), (601, 35190), (690, 30651), (765, 27646), (782, 27045), (1035, 20434), (1173, 18030), (1202, 17595), (1530, 13823), (1803, 11730), (1955, 10818), (2070, 10217), (2346, 9015), (3005, 7038), (3519, 6010), (3606, 5865), (3910, 5409)]